CVE-2026-45893: apparmor: Fix & Optimize table creation from possibly unaligned memory
Published May 27, 2026
·Updated
apparmor: Fix & Optimize table creation from possibly unaligned memory
Affected Software
4 affected components
Linux Linux kernel (AppArmor)
Linux Linux kernel>=4.11<6.12.75
Linux Linux kernel>=6.13<6.18.14
Linux Linux kernel>=6.19<6.19.4
Event History
May 27, 2026
CVE Published
via MITRE·12:17 PM
Data Sourced
via MITRE·12:17 PM
Description
Data Sourced
via NVD·02:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 28, 2026
Data Sourced
via Microsoft·08:06 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-45893?
CVE-2026-45893 has a severity rating of high, assessed at 7.1 on the CVSS scale.
2
How do I fix CVE-2026-45893?
To fix CVE-2026-45893, ensure that you apply the latest patches available for the Linux kernel, specifically those addressing AppArmor optimizations.
3
What are the potential impacts of CVE-2026-45893?
If exploited, CVE-2026-45893 could lead to system instability or denial of service due to unaligned memory accesses.
4
Which software versions are affected by CVE-2026-45893?
CVE-2026-45893 affects certain versions of the Linux kernel that utilize the AppArmor security module.
5
When was CVE-2026-45893 published?
CVE-2026-45893 was published on May 27, 2026.