SARA / Free Tools / CVE / CVE-2023-5427

CVE-2023-5427 — Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valha

Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory.This issue

CVSS
— —
EPSS
0.14% (top 66.30%)
CWE
CWE-416
Published
2023-12-01T10:13:49.299Z
Last modified
2026-02-25T16:41:07.193Z
CVSS vector
—

01What is this vulnerability?

Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm…

02Affected products

VendorProductVersions
Arm LtdBifrost GPU Kernel Driverr44p0
Arm LtdValhall GPU Kernel Driverr44p0
Arm LtdArm 5th Gen GPU Architecture Kernel Driverr44p0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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