CVE-2024-53136: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: mm: revert "mm: shmem: fix data-race in shmem_getattr()" Revert d949d1d14fa2 ("mm: shmem: fix data-race in shmem_getattr()") as suggested by Chuck [1]. It is causing deadlocks when accessing tmpfs over NFS. As Hugh commented, "added just to silence a syzbot sanitizer splat: added where there has never been any practical problem".

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-362 CWE-362

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.19.323 — 4.19.325
linux	linux_kernel	5.4.285 — 5.5
linux	linux_kernel	5.10.229 — 5.11
linux	linux_kernel	5.15.171 — 5.16
linux	linux_kernel	6.1.116 — 6.1.119
linux	linux_kernel	6.6.60 — 6.6.63
linux	linux_kernel	6.11.7 — 6.11.10

References

Advisories & Patches

https://git.kernel.org/stable/c/36b537e8f302f670c7cf35d88a3a294443e32d52 https://git.kernel.org/stable/c/5874c1150e77296565ad6e495ef41fbf87570d14 https://git.kernel.org/stable/c/64e67e8694252c1bf01b802ee911be3fee62c36b https://git.kernel.org/stable/c/901dc2ad7c3789fa87dc3956f6697c5d62d5cf7e https://git.kernel.org/stable/c/d1aa0c04294e29883d65eac6c2f72fe95cc7c049

Other References

https://git.kernel.org/stable/c/57cc8d253099d1b8627f0fb487ee011d9158ccc9 https://git.kernel.org/stable/c/a3c65022d89d5baa2cea8e87a6de983ea305f14c https://git.kernel.org/stable/c/d3f9d88c2c03b2646ace336236adca19f7697bd3 https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Frequently Asked Questions

What is CVE-2024-53136? +

In the Linux kernel, the following vulnerability has been resolved: mm: revert "mm: shmem: fix data-race in shmem_getattr()" Revert d949d1d14fa2 ("mm: shmem: fix data-race in shmem_getattr()") as suggested by Chuck [1]. It is causing deadlocks when accessing tmpfs over NFS. As Hugh commented, "added just to silence a syzbot sanitizer splat: added where there has never been any practical problem". It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-53136? +

CVE-2024-53136 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-53136? +

CVE-2024-53136 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-53136? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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