Use After Free in Arm Avalon GPU Kernel Driver
CVE-2023-28469
An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r29p0 through r42p0 before r43p0, and Arm's GPU Architecture Gen5 r41p0 through r42p0 before r43p0.
Vulnerability class: Use-After-Free
EPSS: 0.002 (8.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Arm Avalon_gpu_kernel_driver
- Arm Valhall_gpu_kernel_driver
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-28469?
- CVE-2023-28469 is a medium-severity vulnerability in Arm Avalon GPU Kernel Driver, classified under Use After Free. CVSS score: 5.5/10. Published 2023-06-02.
- How severe is CVE-2023-28469?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-28469 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.