Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| bifrost gpu kernel driver | ≥ r0p0, < r29p0 | r29p0 |
| midgard gpu kernel driver | ≥ r4p0, < r31p0 | r31p0 |
| valhall gpu kernel driver | ≥ r19p0, < r29p0 | r29p0 |
The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0.
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