Bug 2482072 (CVE-2026-45893) - CVE-2026-45893 kernel: apparmor: Fix & Optimize table creation from possibly unaligned memory
Summary: CVE-2026-45893 kernel: apparmor: Fix & Optimize table creation from possi...
Keywords:
Status: NEW
Alias: CVE-2026-45893
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-27 15:09 UTC by OSIDB Bzimport
Modified: 2026-05-28 02:50 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-05-27 15:09:58 UTC 
In the Linux kernel, the following vulnerability has been resolved:

apparmor: Fix & Optimize table creation from possibly unaligned memory

Source blob may come from userspace and might be unaligned.
Try to optize the copying process by avoiding unaligned memory accesses.

- Added Fixes tag
- Added "Fix &" to description as this doesn't just optimize but fixes
        a potential unaligned memory access
[jj: remove duplicate word "convert" in comment trigger checkpatch warning]
Comment 1 Keith Grant 2026-05-28 02:48:34 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026052718-CVE-2026-45893-87f1@gregkh/T
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