CVE-2026-45893CWE-125

CVE-2026-45893

High · published May 27, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
2.1
In the wild
Unconfirmed
What it is

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]

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00126 · 2.1th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-05-27T18:17Z
Affected products (3)
ProductVersionsFixed in
linux/linux_kernel≥ 4.11, < 6.12.756.12.75
linux/linux_kernel≥ 6.13, < 6.18.146.18.14
linux/linux_kernel≥ 6.19, < 6.19.46.19.4
References (5)
https://git.kernel.org/stable/c/1fbc4b24c7443ffd501609be74d9856fb940d703 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 27 MAY 12:17Z
    apparmor: Fix & Optimize table creation from possibly unaligned memory
    cvelistv5