Actively exploited · Published Oct 1, 2023 · Assigned by Arm
CVE-2023-4211Mali GPU Kernel Driver Allows Improper GPU Memory Processing Operations
Medium 5.5 Exploited
In plain English
A medium-severity use-after-free in Arm 5th Gen GPU Architecture Kernel Driver from Arm Ltd. Attackers are actively exploiting it in the wild (listed by CISA on October 3, 2023). The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Oct 24, 2023.
Official description
A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arm Ltd | Midgard GPU Kernel Driver | r12p0 – through r32p0 |
| Arm Ltd | Bifrost GPU Kernel Driver | r0p0 – through r42p0 |
| Arm Ltd | Valhall GPU Kernel Driver | r19p0 – through r42p0 |
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver | r41p0 – through r42p0 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N