Arm has released security patches to contain a security flaw in the Mali GPU Kernel Driver that has come under active exploitation in the wild.
Tracked as
CVE-2023-4211, the shortcoming impacts the following driver versions -
- Midgard GPU Kernel Driver: All versions from r12p0 - r32p0
- Bifrost GPU Kernel Driver: All versions from r0p0 - r42p0
- Valhall GPU Kernel Driver: All versions from r19p0 - r42p0
- Arm 5th Gen GPU Architecture Kernel Driver: All versions from r41p0 - r42p0
"A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory," Arm
said in a Monday advisory. "There is evidence that this vulnerability may be under limited, targeted exploitation."
The issue, credited to Maddie Stone of Google's Threat Analysis Group (TAG) and Jann Horn of Google Project Zero, has been addressed in Bifrost, Valhall and Arm 5th Gen GPU Architecture Kernel Driver r43p0.