CVE-2026-45893
Description
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]
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Windows Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.12.85-1 |
| sid | Fixed | 6.18.14-1 |
| forky | Fixed | 6.18.14-1 |
| bullseye | Affected | โ |
| bookworm | Affected | โ |
References
- https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969
- https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935
- https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e
- https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a
- https://security-tracker.debian.org/tracker/CVE-2026-45893
- https://www.suse.com/security/cve/CVE-2026-45893.html
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45893
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.