Buffer overflow in Arm Avalon GPU Kernel Driver
CVE-2022-46396
An issue was discovered in the Arm Mali Kernel Driver. A non-privileged user can make improper GPU memory processing operations to access a limited amount outside of buffer bounds. This affects Valhall r29p0 through r41p0 before r42p0 and Avalon r41p0 before r42p0.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (11.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Arm Avalon GPU Kernel Driver — versions r41p0
- Arm Valhall GPU Kernel Driver
Weakness classification (CWE)
Public proof-of-concept exploits
References
- developer.arm.com/Arm Security Center/Mali GPU Driver Vulnerabilities (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-46396?
- CVE-2022-46396 is a low-severity vulnerability in Arm Avalon GPU Kernel Driver, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2023-04-11.
- How severe is CVE-2022-46396?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2022-46396 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.