NULL Pointer Dereference Affecting torvalds/linux package, versions [5.8.6,5.9)[5.9,6.6.141)[6.7,6.12.91)[6.13,6.18.33)[6.19,7.0.10)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.14% (3rd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-20789875
  • published11 Oct 2026
  • disclosed8 Jun 2026
  • creditUnknown

Introduced: 8 Jun 2026

CVE-2026-46274  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.9, 6.6.141, 6.12.91, 6.18.33, 7.0.10 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference in the io_wq_remove_pending process. An attacker can achieve kernel memory corruption and potentially escalate privileges by manipulating the sequence of asynchronous I/O work submissions and cancellations through io_uring syscalls, leading to a dangling pointer in the kernel's hash table. This allows reading from and writing to freed memory, which can result in arbitrary kernel memory disclosure, controlled heap writes, and system crashes or hangs.

Note: The Linux kernel project assigns a CVE to every bug fix it ships, whether or not the bug has been shown to be exploitable. This advisory was generated from that process and has not been individually assessed for exploitability. See the kernel's CVE process documentation: https://github.com/torvalds/linux/blob/master/Documentation/process/cve.rst

CVSS Base Scores

version 4.0
version 3.1