Vulnerabilities exploitable today
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In KEV catalog1,756
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Exploit Today ≥ 701,669
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- High18,074
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CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-640795.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
netfilter: x_tables: allocate hook ops while under mutex
arp/ip(6)t_register_table() add the table to the per-netns list via
xt_register_table() before allocating the per-netns hook ops copy
via kmemdup_array(). This leaves a window where the table is
visible in the list with ops=NULL.
If the pernet exit happens runs concurrently the pre_exit callback finds
the table via xt_find_table() and passes the NULL ops pointer to
nf_unregister_net_hooks(), causing a NULL dereference:
general protection fault in nf_unregister_net_hooks+0xbc/0x150
RIP: nf_unregister_net_hooks (net/netfilter/core.c:613)
Call Trace:
ipt_unregister_table_pre_exit
iptable_mangle_net_pre_exit
ops_pre_exit_list
cleanup_net
Fix by moving the ops allocation into the xtables core so the table is
never in the list without valid ops. Also ensure the table is no longer
processing packets before its torn down on error unwind.
nf_register_net_hooks might have published at least one hook; call
synchronize_rcu() if there was an error.
audit log register message gets deferred until all operations have
passed, this avoids need to emit another ureg message in case of
error unwinding.
Based on earlier patch by Tristan Madani.10dCVE-2026-639975.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
ethtool: module: avoid leaking a netdev ref on module flash errors
module_flash_fw_schedule() is missing undo for setting
the "in_progress" flag and taking the netdev reference.
Delay taking these, the device can't disappear while
we are holding rtnl_lock.12dCVE-2021-39799—1.8%
——1——CVE-2026-151645.5 MED1.8%
——1Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service107dCVE-2026-31560—1.8%
——1——CVE-2026-139423.3 LOW1.8%
——1Inappropriate implementation in Video Capture in Google Chrome on ChromeOS prior to 150.0.7871.47 allowed a local attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)115dCVE-2026-433115.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
soc/tegra: pmc: Fix unsafe generic_handle_irq() call
Currently, when resuming from system suspend on Tegra platforms,
the following warning is observed:
WARNING: CPU: 0 PID: 14459 at kernel/irq/irqdesc.c:666
Call trace:
handle_irq_desc+0x20/0x58 (P)
tegra186_pmc_wake_syscore_resume+0xe4/0x15c
syscore_resume+0x3c/0xb8
suspend_devices_and_enter+0x510/0x540
pm_suspend+0x16c/0x1d8
The warning occurs because generic_handle_irq() is being called from
a non-interrupt context which is considered as unsafe.
Fix this warning by deferring generic_handle_irq() call to an IRQ work
which gets executed in hard IRQ context where generic_handle_irq()
can be called safely.
When PREEMPT_RT kernels are used, regular IRQ work (initialized with
init_irq_work) is deferred to run in per-CPU kthreads in preemptible
context rather than hard IRQ context. Hence, use the IRQ_WORK_INIT_HARD
variant so that with PREEMPT_RT kernels, the IRQ work is processed in
hardirq context instead of being deferred to a thread which is required
for calling generic_handle_irq().
On non-PREEMPT_RT kernels, both init_irq_work() and IRQ_WORK_INIT_HARD()
execute in IRQ context, so this change has no functional impact for
standard kernel configurations.
[treding@nvidia.com: miscellaneous cleanups]10dCVE-2026-1077305.5 MED1.8%
——1SumatraPDF is a multi-format reader for Windows. In 3.7.0.22298, LitParseHeader() in src/LitDoc.cpp computes the attacker-controlled hdrLen + nPieces * 16 section offset using signed 32-bit arithmetic without validating the complete result. When the component values make that aggregate calculation overflow to a negative value, pointer construction reaches an invalid read in LitU32(), causing deterministic application termination. The supplied evidence does not demonstrate code execution, information disclosure, arbitrary read, or integrity impact. No fixed version is available as of this review.16dCVE-2026-23772—1.8%
——1——CVE-2026-639985.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
ethtool: module: call ethnl_ops_complete() on module flash errors
When validate() fails we are skipping over ethnl_ops_complete()
even tho we already called ethnl_ops_begin().12dCVE-2026-875098.1 HIG1.8%
——1Incorrect authorization in Updater in Google Chrome on on Windows prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Low)45dCVE-2022-20481—1.8%
——1——CVE-2026-327917.0 HIG1.8%
——1Untrusted search path for some Intel(R) Performance Counter Monitor (Intel(R) PCM) before version tag 202604 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.23dCVE-2026-980535.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
ASoC: Intel: avs: Refactor and fix init_config access
Existing code accesses enties found in ->init_configs array through
indexes that are part of ->config_ids array. Those two are limited by:
->num_init_configs and ->num_config_ids respectively. Using ID larger
or equal to ->num_init_configs leads to out-of-bounds access:
avs_path_module_send_init_configs()
loop:
(...) &acomp->tplg->init_configs[ids[i]]
^ out-of-bounds candidate
Rather than adding another if-statement, refactor the code. There is no
need to store the IDs, have a list of pointers to actual config-entries
instead. As the verification of ->init_config entries does not differ from
verification of other types that are part of the topology.c file, simply
reuse the code.6dCVE-2022-25724—1.8%
——1——CVE-2026-41360—1.8%
——1——CVE-2021-25470—1.8%
——1——CVE-2024-39671—1.8%
——1——CVE-2026-937827.8 HIG1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
vhost-scsi: flush backend after device ioctls
vhost-scsi translates guest response descriptors into userspace iovecs
when commands are submitted. Target-core completes those commands
asynchronously, so VHOST_SET_MEM_TABLE can replace the memory table while
an in-flight command still retains response iovecs translated through the
old table.
If the old mapping is reused after VHOST_SET_MEM_TABLE returns, command
completion can write the response to an unrelated userspace object.
Flush the vhost-scsi backend after vhost_dev_ioctl() handles a device
ioctl. This waits for in-flight commands that can still use the old
response iovecs before the ioctl returns.22dCVE-2026-981977.0 HIG1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
hwmon: (w83791d) remove fan/pwm 4-5 sysfs group on remove
When the fan/pwm 4-5 pins are not used as GPIO, w83791d_probe()
creates the w83791d_group_fanpwm45 sysfs group on the I2C client
device.
The probe error path removes this group when a later initialization
step fails, but the normal remove path only removes w83791d_group.
As a result, the optional fan/pwm 4-5 sysfs files can remain after the
driver is unbound.
The callbacks associated with these files access the driver data,
which is devm allocated and released after driver unbind. Leaving the
sysfs files behind can therefore result in accesses to stale driver
data.
Remove w83791d_group_fanpwm45 during normal teardown as well.
This issue was found by manual code inspection.6dCVE-2026-980515.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
net: bcmasp: fix tx_spb_ring_full() checking same slot cnt times
The loop initialised next_index from intf->tx_spb_index on every
iteration, so incr_ring() always produced the same result and only
one slot was ever tested. Move the initialisation before the loop
so each iteration advances next_index and the function correctly
checks that cnt consecutive descriptor slots are available before
allowing a new transmission.6dCVE-2026-531525.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
mmc: dw_mmc-rockchip: Add missing private data for very old controllers
The really old controllers (rk2928, rk3066, rk3188) do not support UHS
speeds at all, and thus never handled phase data.
For that reason it never had a parse_dt callback and no driver private
data at all.
Commit ff6f0286c896 ("mmc: dw_mmc-rockchip: Add memory clock auto-gating
support") makes the private data sort of mandatory, because the init
function checks whether phases are configured internally or through the
clock controller.
This results in the old SoCs then experiencing NULL-pointer dereferences
when they try to access that private-data struct.
While we could have if (priv) conditionals in all places, it's way less
cluttery to just give the old types their private-data struct.111dCVE-2026-531405.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
drm/v3d: Fix vaddr leak when indirect CSD has zeroed workgroups
v3d_rewrite_csd_job_wg_counts_from_indirect() maps both the indirect
buffer and the workgroup buffer and is expected to release them before
returning. When any of the workgroup counts read from the buffer is zero,
the function bailed out early and skipped the cleanup, leaking the vaddr
mappings of both BOs.
Jump to the cleanup path instead of returning directly, so the mappings
are always dropped.111dCVE-2024-41253—1.8%
——1——CVE-2021-44788.2 HIG1.8%
——1Dräger CC-Vision Basic before 7.5.3 and Dräger CC-Vision E-Cal before 7.2.5.0 contain an out-of-bounds write vulnerability when loading .gdt files. A crafted .gdt file can trigger a buffer overflow during file parsing, allowing an attacker to crash the application or execute malicious code on the underlying system.95dCVE-2021-39618—1.8%
——1——CVE-2026-174384.4 MED1.8%
——1IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to obtain sensitive information or modify data due to improper privilege management.67dCVE-2026-24924—1.8%
——1——CVE-2026-532415.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
ALSA: seq: dummy: fix UMP event stack overread
The dummy sequencer port forwards events by copying an incoming
struct snd_seq_event into a stack temporary, rewriting source and
destination, and dispatching the temporary to subscribers. That legacy
event storage is smaller than struct snd_seq_ump_event.
When a UMP event reaches the dummy client, the copy leaves the UMP flag
set but only provides legacy-sized stack storage. The subscriber
delivery path then uses snd_seq_event_packet_size() and copies a
UMP-sized packet from that stack object, reading past the end of the
temporary.
Use the existing union __snd_seq_event storage and copy the packet size
reported for the incoming event before rewriting the common routing
fields. This preserves the full UMP packet for UMP events while keeping
legacy event handling unchanged.110dCVE-2021-39638—1.8%
——1——CVE-2022-33274—1.8%
——1——CVE-2026-529445.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix FSCTL permission bypass by adding a permission check for FSCTL_SET_SPARSE
FSCTL_SET_SPARSE in fsctl_set_sparse() modifies the file's sparse
attribute and saves it through xattr without any permission checks.
This exposes two issues:
1) A client on a read-only share can change the sparse attribute
on files it opened, even though the share is read-only.
Other FSCTL write operations already check
test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE),
but FSCTL_SET_SPARSE does not.
2) Even on writable shares, clients without FILE_WRITE_DATA or
FILE_WRITE_ATTRIBUTES access should not modify the sparse
attribute. Similar handle-level checks exist in other functions
but are missing here.
Add both share-level writable check and per-handle access check.
Use goto out on error to avoid leaking file references.41dCVE-2026-980825.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix the possible bioc_list memory leak during error
There are two possible ways to leak bioc memory on
btrfs_ordered_extent::bioc_list:
- An error occurred for btrfs_insert_one_raid_extent()
Then the function btrfs_insert_raid_extent() immediately return
without freeing any bioc in the bioc_list.
- An ordered extent hit an IO error
In that case the ordered extent will have BTRFS_ORDERED_IOERR set, and
skip the call on btrfs_insert_raid_extent() completely.
Fix the problem by:
- Introduce a new helper, btrfs_cleanup_ordered_bioc_list()
Which will remove all bioc from the bioc_list, and release the bioc.
- Call the above helper for btrfs_insert_raid_extent()
So that the cleanup helper is always called no matter what.
- Call the above helper for btrfs_finish_one_ordered()
This is called just before the final release on the ordered extent.
This was reported by Sashiko when reviewing another patch.6dCVE-2026-43409—1.8%
——1——CVE-2026-532105.5 MED1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
tee: shm: fix shm leak in register_shm_helper()
register_shm_helper() allocates shm before calling
iov_iter_npages(). If iov_iter_npages() returns 0, the function
jumps to err_ctx_put and leaks shm.
This can be triggered by TEE_IOC_SHM_REGISTER with
struct tee_ioctl_shm_register_data where length is 0.
Jump to err_free_shm instead.115dCVE-2023-6460—1.8%
——1——CVE-2026-772685.5 MED1.8%
——1MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, the OAuth fallback token directory and JSON file are created without explicit owner-only modes. Local users or processes with access through the resulting group or world permission bits can read access and refresh tokens and reuse the associated Atlassian session. The advisory traces the vulnerable input and processing flow through ~/.mcp-atlassian, oauth-<client_id>.json, access_token, and refresh_token, which identify the affected entry points, controls, and code paths. This issue is fixed in version 0.22.0.26dCVE-2026-530407.1 HIG1.8%
——1In the Linux kernel, the following vulnerability has been resolved:
ocfs2: validate bg_bits during freefrag scan
[BUG]
A crafted filesystem can trigger an out-of-bounds bitmap walk when
OCFS2_IOC_INFO is issued with OCFS2_INFO_FL_NON_COHERENT.
BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: use-after-free in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: use-after-free in test_bit_le include/asm-generic/bitops/le.h:21 [inline]
BUG: KASAN: use-after-free in ocfs2_info_freefrag_scan_chain fs/ocfs2/ioctl.c:495 [inline]
BUG: KASAN: use-after-free in ocfs2_info_freefrag_scan_bitmap fs/ocfs2/ioctl.c:588 [inline]
BUG: KASAN: use-after-free in ocfs2_info_handle_freefrag fs/ocfs2/ioctl.c:662 [inline]
BUG: KASAN: use-after-free in ocfs2_info_handle_request+0x1c66/0x3370 fs/ocfs2/ioctl.c:754
Read of size 8 at addr ffff888031bce000 by task syz.0.636/1435
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0xbe/0x130 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xd1/0x650 mm/kasan/report.c:482
kasan_report+0xfb/0x140 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:186 [inline]
kasan_check_range+0x11c/0x200 mm/kasan/generic.c:200
__kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
test_bit_le include/asm-generic/bitops/le.h:21 [inline]
ocfs2_info_freefrag_scan_chain fs/ocfs2/ioctl.c:495 [inline]
ocfs2_info_freefrag_scan_bitmap fs/ocfs2/ioctl.c:588 [inline]
ocfs2_info_handle_freefrag fs/ocfs2/ioctl.c:662 [inline]
ocfs2_info_handle_request+0x1c66/0x3370 fs/ocfs2/ioctl.c:754
ocfs2_info_handle+0x18d/0x2a0 fs/ocfs2/ioctl.c:828
ocfs2_ioctl+0x632/0x6e0 fs/ocfs2/ioctl.c:913
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x197/0x1e0 fs/ioctl.c:583
...
[CAUSE]
ocfs2_info_freefrag_scan_chain() uses on-disk bg_bits directly as the
bitmap scan limit. The coherent path reads group descriptors through
ocfs2_read_group_descriptor(), which validates the descriptor before
use. The non-coherent path uses ocfs2_read_blocks_sync() instead and
skips that validation, so an impossible bg_bits value can drive the
bitmap walk past the end of the block.
[FIX]
Compute the bitmap capacity from the filesystem format with
ocfs2_group_bitmap_size(), report descriptors whose bg_bits exceeds
that limit, and clamp the scan to the computed capacity. This keeps the
freefrag report going while avoiding reads beyond the buffer.103dCVE-2026-151715.5 MED1.8%
——1SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service108dCVE-2026-1112375.3 MED1.8%
——1A weakness has been identified in Ultralytics FastSAM up to b4ed20c2fed75eadc5aa7d8b09fedd137b873b52. This affects the function session.get_modelmeta.custom_metadata_map of the file ultralytics/nn/autobackend.py of the component AutoBackend Model Loading. This manipulation of the argument imgsz/names/kpt_shape causes improper neutralization of directives in dynamically evaluated code. The attack requires local access. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.4d