CVE-2026-45202— GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`
Quick assessment
Affected
Imagination Technologies Graphics DDK
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
以非特权用户身份安装和运行的软件可能会发起 GPU 系统调用，从而导致 GPU 内存泄漏及可能的内核堆损坏。 该问题由内存释放路径未保留升级后的更高阶（higher-order）分配的状态数据所引起，可能引发内存泄漏或双重释放（double-free）事件。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.18 RTM2 |
affected |
23.2 RTM2 |
affected | ||
24.2 RTM2 |
affected | ||
25.1 RTM2≤ 25.3 RTM |
affected | ||
26.1 RTM1 |
affected | ||
26.1 RTM2 |
unaffected |
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I. Basic Information for CVE-2026-45202
Vulnerability Information
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Vulnerability Title
GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`
Source: CVE Program / CVE List V5
Vulnerability Description
Software installed and run as a non-privileged user may conduct GPU system calls which cause GPU memory leaks and possible kernel heap corruption.
Scenario caused by memory free paths not maintaining state data of upgraded higher order allocations. This could cause memory leak or double free event.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.18 RTM2 | - |
|
II. Public POCs for CVE-2026-45202
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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News Coverage for CVE-2026-45202 (1)
Same Patch Batch · Imagination Technologies · 2026-08-21 · 3 CVEs total
| CVE-2026-45199 | GPU DDK - rgxfw_to_ptr() does not reject FW private data pointers | |
| CVE-2026-45201 | GPU DDK - Incorrect page size validation in PhysmemNewRamBackedPMR could lead to OOB read |
IV. Related Vulnerabilities
Same product: Graphics DDK
-
CVE-2026-45201
GPU DDK - Incorrect page size validation in PhysmemNewRamBac -
CVE-2026-45199
GPU DDK - rgxfw_to_ptr() does not reject FW private data poi -
CVE-2026-49746
GPU DDK - Dimension Mismatch and Integer Truncation in PMRDe -
CVE-2026-45204
GPU DDK - Out of bounds memory access and kernel NULL pointe -
CVE-2026-45198
GPU DDK - RGXFWIF_SYSINIT::sCorememDataStore is untrusted
Same vendor: Imagination Technologies
-
CVE-2026-45201
GPU DDK - Incorrect page size validation in PhysmemNewRamBac -
CVE-2026-45199
GPU DDK - rgxfw_to_ptr() does not reject FW private data poi -
CVE-2026-49746
GPU DDK - Dimension Mismatch and Integer Truncation in PMRDe -
CVE-2026-45204
GPU DDK - Out of bounds memory access and kernel NULL pointe -
CVE-2026-45198
GPU DDK - RGXFWIF_SYSINIT::sCorememDataStore is untrusted
Same weakness: CWE-415
-
CVE-2026-47895
strongSwan <6.0.7双释放漏洞 -
CVE-2026-63652
FreeRDP: Double-free of `client_formats` in the rdpsnd serve -
CVE-2026-18663
389-ds-base: 389-ds-base: pre-authentication double-free in -
CVE-2026-65780
Windows Autopilot Elevation of Privilege Vulnerability -
CVE-2026-62889
Windows Secure Socket Tunneling Protocol (SSTP) Remote Code
V. Comments for CVE-2026-45202
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