high8.8Known exploited
CVE-2021-29256
Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-07-07. Federal due date: 2023-07-28.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Impact
. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Arm | Bifrost Gpu Kernel Driver | from r16p0 before r30p0 |
| Arm | Midgard Gpu Kernel Driver | from r28p0 before r31p0 |
| Arm | Valhall Gpu Kernel Driver | from r19p0 before r30p0 |