CVE-2023-4211
Published: October 3, 2023
Official Description
Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that allows a local, non-privileged user to make improper GPU memory processing operations to gain access to already freed memory.
CISA KEV Advisory
Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that allows a local, non-privileged user to make improper GPU memory processing operations to gain access to already freed memory.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This use-after-free vulnerability in Arm Mali GPU Kernel Driver allows a local, non-privileged user to access freed memory. The high severity and confirmed exploitation in the wild indicate this is an urgent issue.
This vulnerability is actively being exploited in the wild.
Apply all available security updates for Arm Mali GPU Kernel Driver to address this use-after-free vulnerability. Ensure that your systems are regularly patched and updated.
Technical Analysis
CVE-2023-4211 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2023-4211 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-4211 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1