CVE-2026-41154— GPU DDK - Incorrect Index Calculation in CMA Cleanup Path of AllocOSPages_Sparse
Possible ATT&CK Techniques 1AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.18 RTM2 | unaffected |
23.2 RTM2 | unaffected | ||
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-2026-41154
Vulnerability Information
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Vulnerability Title
GPU DDK - Incorrect Index Calculation in CMA Cleanup Path of AllocOSPages_Sparse
Source: CVE Program / CVE List V5
Vulnerability Description
Software installed and run as a non-privileged user may cause OOB kernel memory reads or writes through GPU API calls. When indexing pages larger than 4kB in the page freeing logic of the sparse memory implementation, incorrect buffer indexing leads to OOB access.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Imagination Technologies Graphics DDK 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Imagination Technologies Graphics DDK是Imagination Technologies的图形驱动程序开发套件。 Imagination Technologies Graphics DDK存在缓冲区错误漏洞，该漏洞源于在稀疏内存实现中释放大于4kB页时缓冲区索引错误，可能导致非特权用户通过GPU API调用造成越界内核内存读写。以下版本受到影响：24.2 RTM2版本、25.1 RTM2版本（及之前版本至25.3 RTM2）和26.1 RTM1版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.18 RTM2 | - |
II. Public POCs for CVE-2026-41154
| # | POC Description | Source Link | Shenlong Link |
|---|
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News Coverage for CVE-2026-41154 (1)
Same Patch Batch · Imagination Technologies · 2026-07-10 · 5 CVEs total
| CVE-2026-45203 | GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU | |
| CVE-2026-45196 | GPU DDK - Arbitrary GPU register write in rgxfw_hwperf_hw due to unsanitized pointers from | |
| CVE-2026-7639 | GPU DDK - Page UAF read in PMMETA_PROTECT heap memory | |
| CVE-2026-34196 | GPU DDK - UAF read and/or write of arbitrary physical memory due to integer truncation in |
IV. Related Vulnerabilities
Same product: Graphics DDK
- CVE-2026-45202
GPU DDK - Silent High-Order CMA Memory Leak & Double Free in - 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
Same vendor: Imagination Technologies
- CVE-2026-45202
GPU DDK - Silent High-Order CMA Memory Leak & Double Free in - 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
Same weakness: CWE-787
- CVE-2026-77236
Missing size validation in SecureContext_AllocateContext in - CVE-2026-17252
Unauthenticated Denial of Service via Composed HTTP Parsing - CVE-2026-19783
Vulnerabilities in IBM AIX and PowerVM VIOS - CVE-2026-19437
Vulnerabilities in IBM AIX and PowerVM VIOS - CVE-2026-18842
Vulnerabilities in IBM AIX and PowerVM VIOS
V. Comments for CVE-2026-41154
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