Vulnerabilities exploitable today
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CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-98700—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: set info->band for 802.3 encap offload frames
Unlike the 802.11 TX paths, ieee80211_8023_xmit() does not set
info->band from the channel context on non-MLD interfaces. It stays at
0, so ieee80211_get_tx_rates() uses the wrong band for these frames.
Set it the same way as ieee80211_build_hdr(): drop the frame if there is
no channel context, and leave the band at 0 on MLD interfaces.2dCVE-2026-98699—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: fix mesh fast xmit path deletion UAF
mesh_fast_tx_cache() stores raw mesh_path pointers. Path deletion
flushes the cache and then frees the path with kfree_rcu(), but a
lookup that already holds the path can insert a new cache entry
after the flush. The cache then points at freed memory.
Set MESH_PATH_DELETED before flushing, and skip inserting a cache
entry if the path or MPP path is already deleted. Check this under
the cache walk lock so it is ordered with the flush. Use WRITE_ONCE()
for the deletion flag updates because the cache check reads flags
without taking state_lock.2dCVE-2026-98698—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: handle empty FILS association request payload
fils_encrypt_assoc_req() accepts a (Re)Association Request frame whose
last element is the FILS Session element. crypt_len is then zero and
aes_siv_encrypt() is called with an empty plaintext.
kmemdup() returns ZERO_SIZE_PTR for a zero-length allocation, so the
unconditional sg_init_one() puts an invalid page into the scatterlist.
With CONFIG_DEBUG_SG this triggers a kernel BUG in sg_set_buf();
without the debug check the bogus page is handed to the crypto backend.
AES-SIV is defined for empty plaintext and the S2V result is then the
complete output, so handle this case before the CTR step, which has
nothing to encrypt.2dCVE-2026-98697—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
USB: serial: fix dynamic id driver deregistration race
Only free the dynamic ids after having deregistered the driver and
removed the "new_id" attribute to avoid leaking any id added by a racing
write to the attribute.2dCVE-2026-98696—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
USB: serial: fix driver deregistration order
USB serial driver modules register one driver for the USB bus and one or
more drivers for the ports on the USB serial bus.
When unloading a driver module, the USB driver must be deregistered
before the USB serial bus drivers so that I/O is stopped before
unbinding the ports to avoid use-after-free in completion handlers
accessing port data.
Note that the "new_id" attributes must first be removed to prevent new
ids from being added and triggering a probe of the USB driver after it
has been deregistered.2dCVE-2026-98695—9.2%
——3In the Linux kernel, the following vulnerability has been resolved:
USB: serial: fix ioctl hangup race
The tty ioctls can race with hangup and end up calling into a tty driver
for a device that is already gone or powered down.
Serialise the callbacks using the tty port mutex and add the missing
checks to make sure the port has not been hung up before accessing port
driver data or hardware.
This specifically avoids dereferencing a NULL-pointer if a device is
disconnected during lengthy break signalling.
Note that TIOCGICOUNT and TIOCMIWAIT do not access port driver data or
hardware and are therefore not affected by the race.2dCVE-2026-98694—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Fix KASAN reported use-after-free when request is canceled
Alan reported that when doing stress testing sometimes KASAN notices
use-after-free during control channel operation (stripped down keeping
the relevant parts):
BUG: KASAN: slab-use-after-free in tb_cfg_request_sync+0x240/0x250 [thunderbolt]
Read of size 24 at addr ffff88811067f290 by task kworker/u40:2/1760
<TASK>
tb_cfg_request_sync+0x240/0x250 [thunderbolt]
tb_cfg_read_raw+0x367/0x510 [thunderbolt]
tb_cfg_read+0xec/0x240 [thunderbolt]
tb_port_get_link_generation+0x258/0x420 [thunderbolt]
tb_usb3_consumed_bandwidth+0x1c1/0x2c0 [thunderbolt]
tb_tunnel_consumed_bandwidth+0xfd/0x910 [thunderbolt]
tb_available_bandwidth+0x5f2/0xeb0 [thunderbolt]
tb_recalc_estimated_bandwidth+0x2a0/0x1bc0 [thunderbolt]
tb_handle_dp_bandwidth_request+0x1897/0x5e20 [thunderbolt]
process_one_work+0x675/0x1230
worker_thread+0x5e6/0xf70
kthread+0x365/0x470
ret_from_fork+0x54d/0x710
ret_from_fork_asm+0x1a/0x30
</TASK>
Allocated by task 1760:
__kmalloc_cache_noprof+0x1ee/0x550
tb_cfg_read_raw+0x1d3/0x510 [thunderbolt]
tb_cfg_read+0xec/0x240 [thunderbolt]
tb_port_get_link_generation+0x258/0x420 [thunderbolt]
tb_usb3_consumed_bandwidth+0x1c1/0x2c0 [thunderbolt]
tb_tunnel_consumed_bandwidth+0xfd/0x910 [thunderbolt]
tb_available_bandwidth+0x5f2/0xeb0 [thunderbolt]
tb_recalc_estimated_bandwidth+0x2a0/0x1bc0 [thunderbolt]
tb_handle_dp_bandwidth_request+0x1897/0x5e20 [thunderbolt]
process_one_work+0x675/0x1230
worker_thread+0x5e6/0xf70
kthread+0x365/0x470
ret_from_fork+0x54d/0x710
ret_from_fork_asm+0x1a/0x30
Freed by task 926:
kfree+0x18f/0x4a0
tb_cfg_request_put+0xb7/0xe0 [thunderbolt]
tb_cfg_request_work+0x82/0x120 [thunderbolt]
process_one_work+0x675/0x1230
worker_thread+0x5e6/0xf70
kthread+0x365/0x470
ret_from_fork+0x54d/0x710
ret_from_fork_asm+0x1a/0x30
Second to last potentially related work creation:
__queue_work+0x575/0xd00
queue_work_on+0x77/0x80
tb_cfg_request_cancel+0xc7/0x260 [thunderbolt]
tb_cfg_request_sync+0x1f6/0x250 [thunderbolt]
tb_cfg_read_raw+0x367/0x510 [thunderbolt]
tb_cfg_read+0xec/0x240 [thunderbolt]
tb_port_get_link_generation+0x258/0x420 [thunderbolt]
tb_usb3_consumed_bandwidth+0x1c1/0x2c0 [thunderbolt]
tb_tunnel_consumed_bandwidth+0xfd/0x910 [thunderbolt]
tb_available_bandwidth+0x5f2/0xeb0 [thunderbolt]
tb_recalc_estimated_bandwidth+0x2a0/0x1bc0 [thunderbolt]
tb_handle_dp_bandwidth_request+0x1897/0x5e20 [thunderbolt]
process_one_work+0x675/0x1230
worker_thread+0x5e6/0xf70
kthread+0x365/0x470
ret_from_fork+0x54d/0x710
ret_from_fork_asm+0x1a/0x30
The last stack trace is helpful because it shows that we are cancelling
a request and looking at tb_cfg_request_cancel() what might happen is
that tb_cfg_request_work() completes right before tb_cfg_request_cancel()
starts and because of this it will call schedule_work() queueing the
same work to run again. However, it is already removed from the
request_queue and reference count is dropped so when
tb_cfg_request_work() triggers again it will access memory that is
already released.
Fix this so that we first make sure a cancelled request is not handed
away from tb_cfg_request_find() or scheduled to run. Then instead of
relying on the worker to clean up the request we will do it in
tb_cfg_request_cancel() after the work is canceled from running. Make
tb_cfg_request_dequeue() release the request only if it was actually
removed from the queue.2dCVE-2026-98693—9.0%
——3In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Hold a router reference for each allocated HopID
tb_stop() drops the reference to all DP tunnels but does not deactivate
them, thus nothing cancels a dprx_work still in flight (which holds its
own tunnel reference) and the tunnel can outlive tb_switch_remove(). The
HopID releases in tb_path_free() then operate on freed IDAs and trigger
warnings like
ida_free called for id=8 which is not allocated.
This can be triggered by unbinding the driver while a DP tunnel is still
waiting for the DPRX capabilities read to finish. On the Apple NHI
unplugging the cable runs into just that reliably because the read can
never finish right now and because the unplug powers down the entire
USB4 complex and removes the NHI device.
Take a router reference whenever an input or output HopID is allocated
and drop it again after the HopID is released. This keeps the ports and
their HopID IDAs alive for as long as they are used.
The KUnit tests allocate routers without ever registering their devices
so initialize the embedded struct device there as well and drop its
initial reference when the test is finished.2dCVE-2026-98692—4.3%
——1In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Make the DP tunnel activation callback mandatory
tb_tunnel_alloc_dp() takes an optional callback which is run from
dprx_work once the DPRX capabilities read has completed. Without that
callback tb_dp_dprx_start() reads the capabilities synchronously and
never queues the work. It however always takes a tunnel reference which
is only dropped by dprx_work itself or by tb_dp_dprx_stop() when
cancel_delayed_work() actually canceled that work. That reference is
thus leaked for every tunnel without a callback.
The only tunnels without one are those from tb_tunnel_discover_dp(),
which are activated again when restoring from hibernation.
Pass the callback to tb_tunnel_discover_dp() as well and drop the
synchronous path such that the DPRX capabilities are always read from
dprx_work. Hibernation restore then also no longer blocks for up to 12
seconds while waiting for that read to complete.
Also fix up the KUnit tests.2dCVE-2026-98691—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Tear down inactive DP tunnels when the domain is stopped
tb_stop() only tears down DMA tunnels so a DP tunnel that is still
waiting for dprx_work to complete keeps that work queued while the
routers are removed and the control channel is stopped. The work only
stops once the DPRX timeout has passed and because it requeues itself
until then the flush_workqueue() in tb_domain_remove() won't wait for its
final run. The callback then runs against a domain that is already torn
down. A reference to that domain is kept so the completion waiting for
that domain to disappear in unbind will block until the timeout is
eventually reached.
Tear down DP tunnels that are not active yet as well which also cancels
that work. Tunnels for displays that are already alive are untouched and
keep working.2dCVE-2026-98690—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Fix domain reference leak when DPRX read is canceled
tb_tunnel_one_dp() takes a domain reference which is only dropped once
tb_dp_tunnel_active() has run on the work queue. If that work is
cancelled that reference is leaked. Since
commit f5cc545f5969 ("thunderbolt: Wait for tb_domain_release() to
complete when driver is removed") instead of just leaking memory this
now also blocks in the completion wait forever when unbinding the
driver.
This can be triggered whenever a DP tunnel is torn down before the DPRX
read has completed, e.g. by unplugging within the timeout, and then
unbinding the driver.
That reference only exists to keep the domain around while the DPRX work
is scheduled so let the work itself own it: take it in tb_dp_dprx_start()
and drop it in both places that end the work. Get/put are then paired
inside the same file and it doesn't matter anymore if the callback ever
runs.2dCVE-2026-98689—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Don't access a DP tunnel after its DPRX read was canceled
tb_dp_dprx_work() checks ->dprx_canceled before it takes tb->lock so it
misses a tb_dp_dprx_stop() that could not cancel the already running
work. It then polls the DPRX capabilities and runs the callback for a
tunnel that has already been torn down while the domain is suspending or
going away.
This can be hit by cancelling the DPRX read from outside the ordered
tb->wq: During suspend tb_disconnect_and_release_dp() does just this and
with a later patch tb_stop() will do it as well. The latter in combination
with the Apple NHI where the DPRX read never completed is how I hit
this.
Check the flag with tb->lock held instead and check it again in
tb_dp_tunnel_active() because the callback runs after the lock has been
dropped again.
Also clear the flag in tb_dp_dprx_start() so that it only ever describes
the work that is currently in flight.2dCVE-2026-98688—4.3%
——1In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Fix NULL dereference in tb_remove_work()
There is a slight race between tb_remove_work() and tb_domain_remove()
which leads to dereferencing a NULL tb->root_switch pointer inside
tb_free_unplugged_xdomains():
Thread A Thread B
tb_remove_work()
tb_domain_remove()
mutex_lock(&tb->lock)
tb_stop()
/* doesn't cancel a running callback */
cancel_delayed_work(&tcm->remove_work)
...
tb_switch_remove(tb->root_switch)
tb->root_switch = NULL
mutex_unlock(&tb->lock)
mutex_lock(&tb->lock)
...
/* without checking ->root_switch */
tb_free_unplugged_xdomains(tb->root_switch)
mutex_unlock(&tb->lock)
Commit a8937f35cf39 ("thunderbolt: Remove XDomain from the bus without
holding tb->lock") doesn't seem right to move tb_free_unplugged_xdomains()
out of the &tb->lock section and the check for tb->root_switch, in
particular. It states:
For this reason separate removing the XDomain from the topology data
structures (where we need the lock) from unregistering the device from
the bus (where remove callbacks of the drivers are being called).
tb_free_unplugged_xdomains() belongs to the former group of functions
requiring the lock. And it also calls tb_xdomain_remove() which should
only be called with &tb->lock held.
Found by Linux Verification Center (linuxtesting.org) with Svace static
analysis tool.2dCVE-2026-98687—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
thunderbolt: Reject oversized XDomain properties responses
tb_xdp_properties_request() allocates room for 45 data dwords in its
252-byte response buffer. The XDomain length field is six bits wide,
however, and a malicious peer can set it to 63. After the fixed response
fields are subtracted, the driver treats this as 48 data dwords.
Commit 322e93448d90 ("thunderbolt: Clamp XDomain response data copy to
allocation size") only bounds the copy against data_len. If data_len is
at least 48, memcpy() reads 192 bytes from the 180-byte res->data array,
causing a 12-byte heap out-of-bounds read. Commit 4db2bd2ed478
("thunderbolt: Limit XDomain response copy to actual frame size") limits
the earlier copy but does not constrain this header-derived length.
Reject response data lengths that exceed the allocated source buffer
before copying them into the assembled property block.2dCVE-2026-98686—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
smb: client: discard post-EOF pagecache when extending a file via zero range
smb3_zero_range() removed the pagecache only for the range being zeroed,
so when it extends the file the folio straddling the old EOF - which may
hold data dirtied past EOF through an mmap - was never dropped and became
visible as file content once the file was extended.
Lower the discard boundary to the smaller of the zero-range offset and the
old EOF.2dCVE-2026-98685—8.1%
——2In the Linux kernel, the following vulnerability has been resolved:
smb: client: discard post-EOF pagecache when extending a file via clone range
cifs_remap_file_range() discarded the pagecache only for the folios
overlapping the destination region, so when a clone extends the file the
folio straddling the old EOF - which may hold data dirtied past EOF
through an mmap - was never dropped and became visible as file content
once the file was extended.
Start the discard at the smaller of fstart and the old EOF. i_size is
still old here, so nothing past the old EOF is flushed to the server.2dCVE-2026-98684—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
smb: client: flush and commit data before querying allocated ranges
The mode 0 / FALLOC_FL_KEEP_SIZE fallocate emulation for small interior
ranges in smb3_simple_fallocate_range() issues
FSCTL_QUERY_ALLOCATED_RANGES and zero-fills any sub-range the server
reports as an unallocated hole, to force block allocation without
changing file contents.
This is unsafe against Windows servers. Per the Win32 documentation,
FSCTL_QUERY_ALLOCATED_RANGES only reports ranges that *may* contain
nonzero data and is explicitly not coherent with recently written data:
"a call to FSCTL_QUERY_ALLOCATED_RANGES [after writing to a network
file] would not necessarily return a correct list of allocated
regions. To ensure coherency [...] flush the data to the file"
fsx (generic/363) reproduces the resulting corruption against Windows
Server 2022: a range is written, an uncached read returns the data, yet
the next FSCTL_QUERY_ALLOCATED_RANGES on that range reports it as a whole
hole, so the emulation overwrites live data with zeroes. A network trace
confirmed the WRITE, the READ returning data and the query returning an
empty range list within microseconds. Samba does not exhibit this; its
query is coherent with the written data.
Write back the dirty pages, drain any outstanding I/O and issue an SMB2
FLUSH to force the server to commit the data before querying the
allocated ranges, so the query reflects the data actually present.
With this, generic/363 passes against both Windows Server 2022 and Samba
over 100000 fsx operations.2dCVE-2026-98683—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
smb: client: flush dirty data before zeroing a range
smb3_zero_range() emulates FALLOC_FL_ZERO_RANGE by invalidating the
page cache over the target range with truncate_pagecache_range() and
then issuing FSCTL_SET_ZERO_DATA to the server.
Dirty data was only flushed conditionally, when the range reached or
extended EOF. For a purely interior zero range that does not reach
EOF, no flush happened, so a dirty folio overlapping the range could
be written back to the server after the FSCTL and refill the range
that was just zeroed with stale data.
Fix this by unconditionally flushing and waiting for dirty data in the
range before invalidating the page cache and issuing
FSCTL_SET_ZERO_DATA, exactly as was done for smb3_punch_hole() in
commit d7d2adcd022b ("smb/client: flush dirty data before punching a
hole"); the two paths are structurally identical here.
This is observed as generic/363 randomly reading stale data where a
zeroed range is expected against Windows Server.2dCVE-2026-98682—4.3%
——1In the Linux kernel, the following vulnerability has been resolved:
smb: client: drain and invalidate before server-side copy/clone
cifs_file_copychunk_range() and the clone (FICLONE) path of
cifs_remap_file_range() do not serialise the destination page cache
against the server-side copy the way the other server-side range
operations (smb3_zero_range(), smb3_punch_hole(), smb3_collapse_range()
and smb3_insert_range()) do.
cifs_file_copychunk_range() invalidates the destination range with
filemap_invalidate_inode(), which takes and drops the mapping's
invalidate_lock internally, so the lock is no longer held when the
copychunk ioctl is issued. It also never drains in-flight netfs I/O on
the target. The clone path never takes the invalidate_lock at all (only
i_rwsem), uses a bare truncate_inode_pages_range() and likewise does not
drain outstanding I/O.
As a result an asynchronous destination writeback can complete after the
server-side copy/clone has run and reinstate stale data over the region
just written by the server, corrupting the file. This is the same class
of corruption as commit d7d2adcd022b ("smb/client: flush dirty data
before punching a hole") and has been seen randomly in generic/363
against Windows Server.
Fix both paths to follow the established ordering: hold the target
mapping's invalidate_lock across the flush and invalidation of the
destination and the server ioctl, and call netfs_wait_for_outstanding_io()
on the target to drain in-flight writes before the ioctl is issued. Only
the target inode's invalidate_lock is required, as the source is merely
flushed and not invalidated; i_rwsem (already held via
lock_two_nondirectories()) is acquired before the invalidate_lock,
matching the VFS lock ordering. Since filemap_invalidate_inode() takes
that same lock internally, replace it with its own unmap/flush/invalidate
steps instead of calling it, and return early on a zero-length copy to
avoid a range underflow.2dCVE-2026-98681—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
smb: client: split cifsFileInfo bitfields to avoid shared-byte RMW races
The invalidHandle, swapfile, oplock_break_cancelled, offload,
and status_file_deleted fields are stored in the same bitfield byte
in struct cifsFileInfo, but are updated in different code paths that
may run simultaneously, and are protected by different locks. Since
bitfield assignments generate byte-level read-modify-write operations,
a modification to one flag can overwrite a concurrent modification to
another flag.
To avoid these races, convert these flags from a bitfield to
separate bool fields.2dCVE-2026-98680—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: accel: kionix-kx022a: Prevent memory leak and fix state
The driver allocates memory for samples at buffer enable path. If regmap
operation fails in the kx022a_fifo_enable() at the buffer enable path, the
allocated memory is never freed. Furthermore, the state information and
previous hardware configuration(s) aren't undone, potentially leaving
WMI interrupts and buffers enabled, or driver state flags wrong.
Free the memory and revert the hardware configuration and state flags on
error path.2dCVE-2026-98679—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: accel: kxcjk-1013: reject duplicate event disable
The IIO core does not filter duplicate writes to the event enable
attribute. kxcjk1013_write_event_config() already ignores repeated
enable requests, but a repeated disable request still calls
kxcjk1013_set_power_state(data, false), dropping a runtime PM reference
that was not acquired for this request. This can underflow the runtime
PM usage count and trigger a "Runtime PM usage count underflow" warning.
Return early when the requested state already matches ev_enable_state.2dCVE-2026-98678—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: adc: ad4030: fix invalid oversampling_ratio validation
In ad4030_set_avg_frame_len(), the logarithm is calculated before input
validation. Passing zero or negative values leads to an undefined result
from ilog2().
Validate that the input is strictly positive prior to computing its
logarithm.2dCVE-2026-98677—9.2%
——3In the Linux kernel, the following vulnerability has been resolved:
iio: adc: ad_sigma_delta: fix use-after-free on unbind
ad_sd_buffer_postenable() allocates sigma_delta->samples_buf with
devm_krealloc() at runtime, so its devres entry sits after all
probe-time entries of the driver. devm resources are released in
reverse allocation order, which means unbind frees samples_buf before
iio_device_unregister() disables the buffers and detaches the trigger
pollfunc. The data ready IRQ is still enabled at that point, so
ad_sd_trigger_handler() can still run and memcpy() incoming samples
into the freed samples_buf.
Fix this by preallocating the buffer in
devm_ad_sd_setup_buffer_and_trigger(), before the triggered buffer and
the IRQ are set up, so it is freed only after iio_device_unregister()
has drained the trigger handler via free_irq(). Size it for the worst
case of all sequencer slots being active; ad_sd_validate_scan_mask()
already caps the number of active channels at num_slots.
This issue was found by an in-house static analysis tool.2dCVE-2026-98676—9.0%
——3In the Linux kernel, the following vulnerability has been resolved:
iio: adc: ade9000: fix NULL pointer dereference in clkout registration
ade9000_setup_clkout() passes NULL as the register address when
registering a divider clock. During clock registration, the common
clock framework calls clk_divider_recalc_rate(), which dereferences
the address through readl(). As a result, probing an ADE9000 configured
as a clock provider with an external input clock crashes.
CLKOUT passes CLKIN through without changing its rate. Register it as
a 1:1 fixed-factor clock, which does not require register access.
This change does not affect the configuration using the internal clock,
for which the driver does not register a clock provider.2dCVE-2026-98675—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: adc: ade9000: handle Phase C dip events in IRQ1 handler
ADE9000_ST1_CROSSING_DEPTH is the exclusive upper bound for scanning the
STATUS1 event bits, so a value of 25 left out the highest event bit,
ADE9000_ST1_DIPC_BIT (bit 25). Phase C dip events were never reported.
Bump the value to 26 so bit 25 is scanned.2dCVE-2026-98674—5.5%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: adc: adi-axi-adc: Initialize state mutex
The AXI ADC register access paths serialize transactions with st->lock,
but probe does not initialize it. Initialize the mutex before registering
the backend.2dCVE-2026-98673—9.2%
——3In the Linux kernel, the following vulnerability has been resolved:
iio: adc: pac1934: check ACPI label duplication
A label duplication failure currently reaches the terminating-byte
write. Release the ACPI result and abort before accessing the missing
label; earlier labels are managed by devres.
Detected by static analysis and reviewed with AI-assisted source auditing.2dCVE-2026-98672—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: adc: stm32-adc: fix possible division by zero in processed channel
In case the conversion has failed or returned zero, processing *val
can lead to a division by zero. Need to check for errors, or converted
value is zero, before processing the data. In case the converted value
is zero, e.g. the Vrefint channel, this should be considered as invalid
in all cases.2dCVE-2026-98671—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: adc: sun4i-gpadc-iio: clean up on thermal zone registration failure
If devm_thermal_of_zone_register() fails, probe returns without
unregistering the IIO map array or disabling runtime PM.
Jump to err_map to release them.2dCVE-2026-98670—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: adc: xilinx-xadc: free IRQ before cancelling the unmask worker on unbind
The ZYNQ XADC alarm IRQ handler queues zynq_unmask_work via
schedule_delayed_work(); that work is cleared by a devm callback.
Register the devm callback before devm_request_irq() so the devres LIFO
teardown frees the IRQ first, ensuring the handler can no longer queue
work by the time the workqueue is cleared. Otherwise the handler could
re-arm the work and run it after the xadc structure has been freed.
This issue was found by an in-house static analysis tool.2dCVE-2026-98669—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: buffer: serialize buffer teardown with mode claims
Buffer-mode claims hold mlock to guarantee that the device remains in
buffer mode until the claim is released. Normal buffer updates take
info_exist_lock followed by mlock in iio_update_buffers().
However, iio_device_unregister() disables and deactivates all buffers
without taking mlock. This can invalidate buffer state, including
active_scan_mask, while a buffer-mode claim is held.
Take mlock in iio_disable_all_buffers() so that unregister honors the
mode-claim lifetime guarantee. The info_exist_lock -> mlock ordering
matches iio_update_buffers().2dCVE-2026-98668—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: buffer: Ensure bounce buffer used for unaligned case is zeroed.
iio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory
to userspace if the data passed in is not a multiple of 8 bytes and the
timestamp is enabled. Specify __GFP_ZERO for the devm_krealloc()
to ensure any extra space is cleared.2dCVE-2026-98667—4.3%
——1In the Linux kernel, the following vulnerability has been resolved:
iio: frequency: adf4377: Fully initialize clk_init_data and clk_parent_data
The clk_init_data structure contains several mutually-exclusive members
for different methods to specify the possible parents of a clock,
prompting drivers to initialize only the members they need. However,
not initializing all members may cause subtle issues, which are only
exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is
enabled.
adf4377_clk_register() fills in init.parent_data, and assumes that
init.parent_names is NULL. However, the latter is uninitialized, and
thus may cause a crash.
Similarly, adf4377_clk_register() fills in only parent_data.fw_name,
leaving other members of the clk_parent_data structure uninitialized.
Make sure all members are fully initialized, to fix such bugs, and to
avoid future breakage when converting drivers to a different method for
specifying the parents.2dCVE-2026-98666—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: gyro: adis16136: fix unprotected debugfs reads
The serial_number file operations are open coded and never call
debugfs_file_get(), which debugfs_create_file_unsafe() requires.
debugfs_remove_recursive() therefore does not wait for a read in
progress, and unbind frees the iio_dev underneath it.
Use debugfs_create_file() instead.2dCVE-2026-98665—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: health: max30102: fix NULL dereference in interrupt handler
The interrupt is requested in max30102_probe() and stays enabled
for the lifetime of the device, but indio_dev->active_scan_mask is only
valid while a buffer is enabled. When an interrupt arrives while no
buffer is enabled, the handler dereferences the NULL active_scan_mask:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Call trace:
__bitmap_weight+0x64/0x98 (P)
max30102_interrupt_handler+0x48/0x160 [max30102]
Call max30102_fifo_count() at the top of the handler and return early
unless it reports a FIFO sample is ready. Because FIFO_RDY is the only
interrupt source enabled in max30102_chip_init(), an invocation of
max30102_interrupt_handler() without the FIFO_RDY interrupt status bit
set carries no data to read and can return before touching
active_scan_mask. A negative return from max30102_fifo_count()
indicates a failed interrupt status read and is treated the same way.2dCVE-2026-98664—9.2%
——3In the Linux kernel, the following vulnerability has been resolved:
iio: imu: adis16400: fix unprotected debugfs reads
adis16400_serial_number_fops is open coded and never calls
debugfs_file_get(), so debugfs_remove_recursive() does not wait for a
read in progress and unbind frees the iio_dev underneath it.
Commit ae1d37a9bb4b ("iio: imu: adis16400: use DEFINE_DEBUGFS_ATTRIBUTE
instead of DEFINE_SIMPLE_ATTRIBUTE") converted product_id and
flash_count to DEFINE_DEBUGFS_ATTRIBUTE, which protects itself, but
moved all three files to debugfs_create_file_unsafe().
serial_number prints three registers as "%.4x-%.4x-%.4x" and
DEFINE_DEBUGFS_ATTRIBUTE() formats a single u64, so it cannot be
converted without changing what the file returns. adis16475 and
adis16550 already use debugfs_create_file() for their open coded
files. Use it here too.2dCVE-2026-98663—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: imu: adis16480: fix unprotected debugfs reads
The firmware_revision and firmware_date file operations are open coded
and never call debugfs_file_get(), which debugfs_create_file_unsafe()
requires. debugfs_remove_recursive() therefore does not wait for a read
in progress, and unbind frees the iio_dev underneath it.
Use debugfs_create_file() instead.2dCVE-2026-98662—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: light: gp2ap020a00f: drain irq_work after free_irq
The threaded IRQ handler queues data->work through irq_work_queue() so
the trigger is polled from a per-CPU context. free_irq() does not flush
an irq_work the handler already queued, so after gp2ap020a00f_remove()
returns that work may still run and call iio_trigger_poll() on data->trig,
which the devm cleanup has already freed, causing a use-after-free.
Add irq_work_sync(&data->work) after free_irq() in remove() and in the
probe error path, mirroring commit 78601726d4a5 ("iio: trigger: sysfs:
fix use-after-free on remove").
Found by an in-house static analysis tool, confirmed by manual review.2dCVE-2026-98661—5.7%
——2In the Linux kernel, the following vulnerability has been resolved:
iio: light: rohm-bu27034: Fix infinite delay on error
When reading an integration-time fails, the code will use error code to
compute the sleep time.
Fix this by using the smallest integration time as a default if
reading fails.2d