Actively exploited · Published Oct 25, 2022 · Assigned by mitre
CVE-2022-38181
High 8.8 Exploited
In plain English
A high-severity use-after-free in Mali Graphics Processing Unit (GPU) from Arm. Attackers are actively exploiting it in the wild (listed by CISA on March 30, 2023). The chance it is exploited in the next 30 days is estimated at 18.5% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Apr 20, 2023.
Official description
The Arm Mali GPU kernel driver allows unprivileged users to access freed memory because GPU memory operations are mishandled. This affects Bifrost r0p0 through r38p1, and r39p0; Valhall r19p0 through r38p1, and r39p0; and Midgard r4p0 through r32p0.
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://developer.arm.com/support/arm-security-updates
- https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
- https://github.blog/2023-01-23-pwning-the-all-google-phone-with-a-non-google-bug/
- https://securitylab.github.com/advisories/GHSL-2022-054_Arm_Mali/
- http://packetstormsecurity.com/files/172854/Android-Arm-Mali-GPU-Arbitrary-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-38181 government-resource