CVE-2026-45893 PUBLISHED

apparmor: Fix & Optimize table creation from possibly unaligned memory

Assigner: Linux
Reserved: 13.05.2026 Published: 27.05.2026 Updated: 27.05.2026

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]

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from e6e8bf418850d7958311a96ccfb594f2bcc8313e to 47e351dfef60ab0e3285133556e1a9c7f646a969 (excl.)
  • affected from e6e8bf418850d7958311a96ccfb594f2bcc8313e to e027999049c493fb728ead5a90db76942181a935 (excl.)
  • affected from e6e8bf418850d7958311a96ccfb594f2bcc8313e to 226c3b10aab23f73b03c47e7773107de56ba3a4e (excl.)
  • affected from e6e8bf418850d7958311a96ccfb594f2bcc8313e to 6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.11 is affected
  • unaffected from 0 to 4.11 (excl.)
  • unaffected from 6.12.75 to 6.12.* (incl.)
  • unaffected from 6.18.14 to 6.18.* (incl.)
  • unaffected from 6.19.4 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References