Type Confusion in Linux kernel - CVE-2026-92486
Published: September 18, 2026
Vulnerability identifier: #VU151036
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92486
CWE-ID: CWE-843
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger a control-flow integrity violation.
The vulnerability exists due to an incompatible function pointer type in BPF task work callback handling when invoking BPF subprogram callbacks. A local user can schedule a BPF task work callback to trigger a control-flow integrity violation.
Affected software
Linux kernel
How to mitigate CVE-2026-92486
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3