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CVE WatchNov 2, 2026

CVE-2026-58942

In do_fault_around of memory.c, there is a possible use after free due to a logic error in the code. This could lead to local escalation of

CVSS

8.4

High

EPSS

—

KEV

—

Exploit Today

—

0-100

Published: Nov 2, 2026 · Last modified: Nov 2, 2026 · CWE-416

EPSS · 30d

Not enough EPSS history yet.

Technical description

In do_fault_around of memory.c, there is a possible use after free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Official references
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CVE-2026-590448.4 HIG
—
———In multiple locations, there is a possible use-after-free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.6hCVE-2026-589848.4 HIG
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———In multiple locations, there is a possible memory corruption due to a use-after-free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.6hCVE-2026-588298.4 HIG
—
———In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.6hCVE-2026-588288.4 HIG
—
———In multiple functions of base.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.6hCVE-2026-588278.4 HIG
—
———In multiple functions of dma-buf.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.6hCVE-2026-588268.4 HIG
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———In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.6h