Use After Free in Arm Valhall GPU Kernel Driver
CVE-2022-42716
An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r29p0 through r40P0.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- developer.arm.com/Arm Security Center/Mali GPU Driver Vulnerabilities (Vendor Advisory)
- packetstormsecurity.com/files/170420/Arm-Mali-CSF-KBASE_REG_NO_USER_FREE-Unsafe… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-42716?
- CVE-2022-42716 is a high-severity vulnerability in Arm Valhall GPU Kernel Driver, classified under Use After Free. CVSS score: 8.8/10. Published 2022-12-12.
- How severe is CVE-2022-42716?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-42716 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.