# CVE-2023-4211

A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

- Page: https://www.vulneraibility.com/cve/CVE-2023-4211
- CVSS: 5.5
- Known exploited: yes, in CISA KEV since 2023-10-03; CISA due date 2023-10-24
- EPSS: 0.97% (percentile 62.3)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2023-11-15)
- Weakness: CWE-416
- Published: 2023-10-01

## Affected versions

- Arm Ltd Arm 5th Gen GPU Architecture Kernel  Driver: affected >= r41p0 and <= r42p0
- Arm Ltd Bifrost GPU Kernel Driver: affected >= r0p0 and <= r42p0
- Arm Ltd Midgard GPU Kernel Driver: affected >= r12p0 and <= r32p0
- Arm Ltd Valhall GPU Kernel Driver: affected >= r19p0 and <= r42p0

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4211

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.