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Fencer Vulns
medium 5.5

CVE-2023-4272 json

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-2023-54143

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

A local non-privileged user can make GPU processing operations that expose sensitive data from previously freed memory.

Patch / fix

  • Arm Ltd Bifrost GPU Kernel Driver r42p0
  • Arm Ltd Valhall GPU Kernel Driver r42p0
  • Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r42p0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Arm Ltd Midgard GPU Kernel Driver
  • Arm Ltd Bifrost GPU Kernel Driver
  • Arm Ltd Valhall GPU Kernel Driver
  • Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver

Classification

Weakness
  • CWE-1251 Mirrored Regions with Different Values
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.