Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability
Arm Mali Graphics Processing Unit (GPU) kernel driver contains a use-after-free vulnerability that may allow a non-privileged user to make improper operations on GPU memory to gain root privilege, and/or disclose information.
- Vendor
- Arm
- Product
- Mali Graphics Processing Unit (GPU)
- CVSS
- 8.8
- EPSS (exploit probability)
- 12.1%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2021-28663 being exploited?
Yes. CISA added CVE-2021-28663 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 12.1% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (14 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Arm Mali Graphics Processing Unit (GPU) CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2021-29256 Arm Mali GPU Kernel Driver Use-After-Free Vulnerability | [ HIGH ] | 8.8 | 3.0% | |
| CVE-2023-26083 Arm Mali GPU Kernel Driver Information Disclosure Vulnerability | [ LOW ] | 3.3 | 1.2% | |
| CVE-2022-38181 Arm Mali GPU Kernel Driver Use-After-Free Vulnerability | [ HIGH ] | 8.8 | 14.1% | |
| CVE-2022-22706 Arm Mali GPU Kernel Driver Unspecified Vulnerability | [ HIGH ] | 7.8 | 1.1% | |
| CVE-2021-28664 Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability | [ HIGH ] | 8.8 | 5.4% |