NULL pointer dereference in Linux kernel - CVE-2026-93115
Published: September 18, 2026
Vulnerability identifier: #VU150884
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-2026-93115
CWE-ID: CWE-476
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 a NULL pointer dereference in the mlxbf_pmc_probe() function of the mlxbf-pmc driver when force-binding the driver to a device without an ACPI companion object. A local user can force-bind the driver to such a device to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-93115
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/71ba8b6e28f7a83b724036f5de07e03bb5473286
- https://git.kernel.org/stable/c/950d8e8375f3ff4787de51b7bdf8dd23a3ad6547
- https://git.kernel.org/stable/c/a75b84119e56fc34b0f1403f3b93d357a55dabb6
- https://git.kernel.org/stable/c/bf1e0cc5cc1d4e71b699fc98cc9198ead0ed53e0
- https://git.kernel.org/stable/c/c38cce70adef874c2a7b5132c14d6c221401deff
- https://git.kernel.org/stable/c/d25dd08268aeaceb485189aaa84aa6d68a460291
- https://git.kernel.org/stable/c/fdfb736282b9665c0169df0c4152ec91fdea2767