Improper Check for Unusual or Exceptional Conditions in Linux kernel - CVE-2026-93044
Published: September 18, 2026
Vulnerability identifier: #VU150982
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93044
CWE-ID: CWE-754
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of unsupported arena-related instructions in BPF interpreter runtime selection when executing a BPF program that uses arena ST, LDX, or STX instructions. A local user can execute such a BPF program to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-93044
Install security update from vendor's repository.