CVE-2026-45893
High
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]
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedMay 27, 2026
First seenMay 27, 2026
How to fix
Update
- linux linux_kernel6.12.75, 6.18.14, 6.19.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.11 ≤ v < 6.12.75, 6.13 ≤ v < 6.18.14, 6.19 ≤ v < 6.19.4 | 6.12.75, 6.18.14, 6.19.4 |
| microsoft azl3_kernel_6.6.143.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.144.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.150.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.152.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.157.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.139.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.141.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.145.2-1 | No range specified | — |
| microsoft azl3_kernel_6.6.159.1-1 | No range specified | — |
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