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CVE-2021-29256: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability

criticalknown exploitedCVE-2021-29256
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Armproduct: Mali GPU Kernel DriverPrivilege escalationInformation disclosure
What
A use-after-free vulnerability may allow a non-privileged user to gain root privilege and/or disclose information.
Who is affected
Users of devices utilizing the Arm Mali GPU Kernel Driver.
Urgency
Immediate remediation is necessary due to the critical severity and confirmed exploitation.
Action
Update to the patched version of the driver.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-07-07
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-29256

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-29256coverage & exploitation statusNVD · CVE.org

Recent advisories for Arm Mali GPU

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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