CVE-2026-45893

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]

CVSS 3.1

7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-125

Published

2026-05-27

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/1fbc4b24c7443ffd501609be74d9856fb940d703
• https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e
• https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969
• https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a
• https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935

Check your stackJSON