Incorrect calculation in Linux kernel - CVE-2026-45967
Published: May 28, 2026
Vulnerability identifier: #VU132524
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-2026-45967
CWE-ID: CWE-682
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 incorrect calculation of an address offset in map_direct_value_addr() in the bpf instruction array handling when resolving pseudo ldimm64 references. A local user can trigger the flawed address calculation to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-45967
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3