EUVD-2026-72795
GHSA-5pq5-p4p5-8pfg
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local kernel driver UAF exploitable by any low-privileged process with GPU access; no user interaction needed; full kernel compromise possible.
Primary rating from Vendor (Arm).
CVSS VectorVendor: Arm
Lifecycle Timeline
4DescriptionCVE.org
Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU processing operations to access already freed memory.
This issue affects Valhall GPU Kernel Driver: from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r50p0 through r54p3, r55p0.
AnalysisAI
Use-after-free in Arm's Valhall and 5th Gen GPU Architecture kernel drivers allows a local non-privileged process to access freed kernel memory by submitting valid GPU processing operations, with potential for full system compromise across confidentiality, integrity, and availability (CVSS C:H/I:H/A:H). Both driver families are affected from r50p0 through r54p3 and at r55p0, covering a wide swath of devices - notably Android smartphones and embedded SoCs - that rely on these GPU drivers. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local non-privileged user process on a device running an affected Arm Valhall or 5th Gen GPU Architecture kernel driver (r50p0 through r54p3 or r55p0). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately captures a locally-exploitable kernel driver flaw requiring only a low-privileged local account - a realistic attacker posture for any app-level execution on Android or a shell user on embedded Linux. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to a driver revision beyond the affected range - revisions after r55p0 (i.e., r55p1 or later) or a patched r54p4+ branch per Arm's advisory at https://support.arm.com/documentation/111552/1-0/?lang=en; the exact first fixed version is not independently confirmed from available data and should be verified against the Arm advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Audit your device inventory to identify systems running affected Arm GPU driver versions (r50p0 through r54p3 and r55p0) across Android and embedded platforms. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
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Same weakness CWE-416 – Use After Free
View allSame technique Denial Of Service
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External POC / Exploit Code
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