CVE-2023-28469: arm avalon_gpu_kernel_driver Use After Free
CVSS: 5.5v3.1MediumModified
Published 02-06-2023Last modified 08-01-2025
Vulnerability summary
CVE-2023-28469 is a medium (CVSS 5.5) Use After Free vulnerability in arm avalon_gpu_kernel_driver. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 02-06-2023PublishedVulnerability first disclosed.
- 08-01-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
0.00 pp
From 0.18% on 20-09-2026
20-09-202620-10-2026
EPSS score0.18%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arm2 products
- avalon_gpu_kernel_driver≥ r41p0, < r43p0
- valhall_gpu_kernel_driver≥ r29p0, < r43p0
1 vendor · 2 products