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CVE-2026-15466

GPU DDK - Write UAF due to a race condition caused by insufficient locking in PVRSRVRGXCloseHWPerfClientStreamKM()

N/A
Published: October 30, 2026 at 01:23 AM UTC
Updated: October 30, 2026 at 07:39 PM UTC
1 product affected across 1 vendorGraphics DDK

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF. The race condition in the destruction path could lead to reference counter being decremented in non-atomical way allowing other code paths using a freed object to read and/or write kernel heap memory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Graphics DDK· Imagination
90%
24.2 RTM225.1 RTM226.1 RTM1
Vendor states this is fixed in 1.18 RTM2 (unaffected)
Vendor states this is fixed in 23.2 RTM2 (unaffected)
Vendor states this is fixed in 26.1 RTM2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.imaginationtech.com/gpu-driver-vulnerabilities/

Quick Info

StatusDEFERRED
CWE
CWE-416

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