GPU DDK - UAF of kernel memory in PMRUnlockPhysAddressesOSMem for on-demand non-4KB PMRs in system memory (UMA)

published 2024-12-13 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-42857

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Software installed and run as a non-privileged user may conduct GPU system calls to read and write freed physical memory from the GPU.

Patch / fix

fixed in 1

Imagination Technologies Graphics DDK 24.2 RTM2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 22 mo ago (2024-12-16)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Imagination Technologies Graphics DDK

Classification

Weakness

CWE-416 Use After Free
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

imaginationtech.com /gpu-driver-vulnerabilities/

Sources

CVE List CVE-2024-47892
NVD CVE-2024-47892

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.

Summary