Arm Mali GPU Kernel Driver Unprivileged Freed Mem Access (CVE-2022-38181)
CVE-2022-38181 Published on October 25, 2022
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.
Known Exploited Vulnerability
This Arm Mali GPU Kernel Driver Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that may allow a non-privileged user to gain root privilege and/or disclose information.
The following remediation steps are recommended / required by April 20, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-38181 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2022-38181 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2022-38181
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.