Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU memory processing operations to gain access to already freed memory.This issue…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 2 / 5
- KEV catalog (CISA)12 Jun 2024
- Exploited in EUVD (ENISA)12 Jun 2024
- Used by ransomwareno
- EPSS above 10 %0.76%
- No account, over the networkno
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU memory processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r34p0 through r40p0; Valhall GPU Kernel Driver: from r34p0 through r40p0.
Affected products
- r34p0 ≤r40p0
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
References
Other exploited vulnerabilities from the same vendor
- CVE-2023-4211Arm Mali GPU Kernel Driver Use-After-Free Vulnerability3.4 · Background exploitation
- CVE-2021-29256Arm Mali GPU Kernel Driver Use-After-Free Vulnerability4.8 · Background exploitation
- CVE-2023-26083Arm Mali GPU Kernel Driver Information Disclosure Vulnerability2.6 · Background exploitation
- CVE-2022-38181Arm Mali GPU Kernel Driver Use-After-Free Vulnerability5.9 · Background exploitation
- CVE-2022-22706Arm Mali GPU Kernel Driver Unspecified Vulnerability4.4 · Background exploitation
- CVE-2021-28664Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability4.9 · Background exploitation