Mali GPU Userspace Driver allows access to already freed memory (Arm Ltd Valhall GPU Userspace Driver)

CVE-2026-11891
MEDIUM 5.1

At a glance

Source
NVD
EPSS
EPSS 0.16 % · percentile 5 ()
State
PUBLISHED
Published
Updated
Assigner
Arm
NVD status
Awaiting Analysis

Description

Use After Free vulnerability in Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access already freed memory. This issue affects Valhall GPU Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.1CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NCISA-ADP
CVSS 3.1MEDIUM 5.1CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

Affected products

ProductVersions
Arm Ltd · Valhall GPU Userspace Driveraffected r46p0 ≤ r49p5 ; affected r50p0 ≤ r54p3 ; affected r55p0 ; unaffected r56p0
Arm Ltd · Arm 5th Gen GPU Architecture Userspace Driveraffected r46p0 ≤ r49p5 ; affected r50p0 ≤ r54p3 ; affected r55p0 ; unaffected r56p0

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD