CVE-2026-72373: afs: Fix missing NULL pointer check in afs_break_some_callbacks()

Published Aug 15, 2026

Updated

In the Linux kernel, the following vulnerability has been resolved:

afs: Fix missing NULL pointer check in afsbreaksomecallbacks()

Fix afsbreaksomecallbacks() to check to see if afslookupvolumercu() returned NULL (e.g. the specified volume is unknown).

Event History

Aug 15, 2026

CVE Published

via MITRE·05:56 AM

Data Sourced

via MITRE·05:56 AM

Description

CVE-2026-72373 has a risk rating of 23, indicating a significant vulnerability.

CVE-2026-72373 addresses a missing NULL pointer check in the afs_break_some_callbacks() function in the Linux kernel.

To fix CVE-2026-72373, you should update your Linux kernel to the latest patched version where this vulnerability is resolved.

CVE-2026-72373 specifically affects the AFS (Andrew File System) implementation in the Linux kernel.

CVE-2026-72373 was published on August 15, 2026.