Bug 2516244 (CVE-2026-72458) - CVE-2026-72458 kernel: apparmor: fix NULL pointer dereference in unpack_pdb
Summary: CVE-2026-72458 kernel: apparmor: fix NULL pointer dereference in unpack_pdb
Keywords:
Status: NEW
Alias: CVE-2026-72458
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-15 06:02 UTC by OSIDB Bzimport
Modified: 2026-09-03 14:02 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-08-15 06:02:21 UTC 
In the Linux kernel, the following vulnerability has been resolved:

apparmor: fix NULL pointer dereference in unpack_pdb

pdb->dfa could be NULL if unpack_dfa fails, causing a NULL pointer
dereference.
Comment 1 gkamathe 2026-08-17 11:53:25 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026081532-CVE-2026-72458-37dd@gregkh/T
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