Global infos:

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 make improper GPU processing operations to gain access to already freed memory.This issue affects Valhall GPU Kernel Driver: from r48p0 through r49p1, from r50p0 through r52p0; Arm 5th Gen GPU Architecture Kernel Driver: from r48p0 through r49p1, from r50p0 through r52p0.

CVE Status: Awaiting Analysis

References:

[email protected]

Metrics:

Attribute	Value
Attack Complexity	LOW
Attack Vector	LOCAL
Availability Impact	HIGH
Base Score	7.8
Base Severity	HIGH
Confidentiality Impact	HIGH
Integrity Impact	HIGH
Privileges Required	LOW
Scope	UNCHANGED
User Interaction	NONE
Vector String	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability Score	1.8
Impact Score	5.9
Source	134c704f-9b21-4f2e-91b3-4a467353bcc0
Type	Secondary

Links:

Exploit-db
Github