Mali GPU Kernel Driver exposes sensitive data from freed memory

published 2023-11-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44517

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

A local non-privileged user can make improper GPU memory processing operations. If the operations are carefully prepared, then they could be used to gain access to already freed memory.

Patch / fix

fixed in 1

Arm Ltd Valhall GPU Kernel Driver r44p1, r45p0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2023-11-15)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Arm Ltd Valhall GPU Kernel Driver

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-667 Improper Locking

References

developer.arm.com /Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
vendor-advisory

Sources

CVE List CVE-2023-3889
NVD CVE-2023-3889

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Summary