HOMEVULNERABILITIESCVE-2026-45893
NONE

CVE-2026-45893

Published: May 27, 2026· Updated: May 27, 2026

Official 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]

NVD Source

Technical Analysis

CVE-2026-45893 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

Affected Vendors & Products

Mentioned vendors (from description):
Linux
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

Quick Facts

CVE IDCVE-2026-45893
SeverityNONE
CISA KEVNo
PublishedMay 27, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-45893 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.