CVE-2024-47892

Freed kernel memory read-write via premature PMR unlock

Published Dec 13, 2024 · Updated Dec 16, 2024

Use-after-free in Imagination Technologies Graphics DDK 1.13 RTM through 24.2 RTM1 allows local users to read and write freed physical memory. For on-demand non-4KB PMRs in UMA system memory, PMRUnlockPhysAddressesOSMem releases physical pages without effective protection against continued GPU access. Locally installed non-privileged software must issue GPU system calls; successful access compromises the confidentiality and integrity of memory reachable by the GPU.

CVSS severity7.8
High
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Imagination Technologies Graphics DDK 1.13 RTM through 24.2 RTM1 allows local users to read and write freed physical memory. For on-demand non-4KB PMRs in UMA system memory, PMRUnlockPhysAddressesOSMem releases physical pages without effective protection against continued GPU access. Locally installed non-privileged software must issue GPU system calls; successful access compromises the confidentiality and integrity of memory reachable by the GPU.

The record

CVE
CVE-2024-47892
Published
Dec 13, 2024
Updated
Dec 16, 2024
Vendor
Imagination Technologies
Product
Graphics DDK
Classifications
CWE-416, CWE-362, CAPEC-124, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.13 RTM <=24.2 RTM1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Imagination Technologies · Graphics DDKversion=1.13 RTM <=24.2 RTM1

Published CVSS scores

7.8CISACVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CAPEC-124Shared Resource Manipulation
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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