CVE-2026-45893

apparmor: Fix & Optimize table creation from possibly unaligned memory

State: Published
Severity: Not scored
Published: May 27, 2026
Updated: Oct 30, 2026
Reserved: May 13, 2026

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]

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 83939c2afba70b49062c31ca6a6de7f46951d26dAffected e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 1fbc4b24c7443ffd501609be74d9856fb940d703Affected e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 47e351dfef60ab0e3285133556e1a9c7f646a969Affected e6e8bf418850d7958311a96ccfb594f2bcc8313e to before e027999049c493fb728ead5a90db76942181a935Affected e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 226c3b10aab23f73b03c47e7773107de56ba3a4eAffected e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 6fc367bfd4c8886e6b1742aabbd1c0bdc310db3aAffected
LinuxLinux	4.11Affected before 4.11Not affected 6.1.191 through 6.1.Not affected 6.6.160 through 6.6.Not affected 6.12.75 through 6.12.Not affected 6.18.14 through 6.18.Not affected 6.19.4 through 6.19.*Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 83939c2afba70b49062c31ca6a6de7f46951d26dAffected
e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 1fbc4b24c7443ffd501609be74d9856fb940d703Affected
e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 47e351dfef60ab0e3285133556e1a9c7f646a969Affected
e6e8bf418850d7958311a96ccfb594f2bcc8313e to before e027999049c493fb728ead5a90db76942181a935Affected
e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 226c3b10aab23f73b03c47e7773107de56ba3a4eAffected
e6e8bf418850d7958311a96ccfb594f2bcc8313e to before 6fc367bfd4c8886e6b1742aabbd1c0bdc310db3aAffected

LinuxLinux

4.11Affected
before 4.11Not affected
6.1.191 through 6.1.*Not affected
6.6.160 through 6.6.*Not affected
6.12.75 through 6.12.*Not affected
6.18.14 through 6.18.*Not affected
6.19.4 through 6.19.*Not affected
7.0 and laterNot affected

References

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