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CVE-2026-72373

afs: Fix missing NULL pointer check in afs_break_some_callbacks()

HIGH
7.5
CVSS Score
Published: August 15, 2026 at 05:56 AM UTC
Updated: October 16, 2026 at 07:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix missing NULL pointer check in afs_break_some_callbacks() Fix afs_break_some_callbacks() to check to see if afs_lookup_volume_rcu() returned NULL (e.g. the specified volume is unknown).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
5.88230fd8217b7ea76f838ae88e4a5a8e54f37099f
Vendor states this is fixed in 5492799ec5d27be3bd454dcaf046bc7054f637ae (fixed)
Vendor states this is fixed in 794a01110390c1b76f59ece773fb0fbfd89c6f5c (fixed)
Vendor states this is fixed in a99a617701186dc68c7b330d35fc2253f48e2ab2 (fixed)
Vendor states this is fixed in e3e59ff22a0de01ed0cf3a3e25558811abc3b70a (fixed)
Vendor states this is fixed in 5.8 (unaffected)
Vendor states this is fixed in 6.12.97 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: cverecord
https://git.kernel.org/stable/c/a99a617701186dc68c7b330d35fc2253f48e2ab2
Source: cverecord
https://git.kernel.org/stable/c/5492799ec5d27be3bd454dcaf046bc7054f637ae
Source: cverecord
https://git.kernel.org/stable/c/e3e59ff22a0de01ed0cf3a3e25558811abc3b70a
Source: cverecord
https://git.kernel.org/stable/c/794a01110390c1b76f59ece773fb0fbfd89c6f5c

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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