8.8
High
Exploited
CVE-2021-28663 Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-416
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| n/a | Versions not published | |
| bifrost_gpu_kernel_driver | Versions not published | |
| valhall_gpu_kernel_driver | Versions not published | |
| midgard_gpu_kernel_driver | Versions not published |
References
- developer.arm.com developer.arm.com
- developer.arm.com developer.arm.com
- github.com github.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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