CVE-2026-23317
Use-After-Free in Linux drm/vmwgfx vmw_translate_ptr Functions
Publication date: 2026-03-25
Last updated on: 2026-04-23
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 6.2 |
| linux | linux_kernel | From 6.19 (inc) to 6.19.7 (exc) |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | From 6.13 (inc) to 6.18.17 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.77 (exc) |
| linux | linux_kernel | From 6.1.7 (inc) to 6.1.167 (exc) |
| linux | linux_kernel | From 6.2.1 (inc) to 6.6.130 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-908 | The product uses or accesses a resource that has not been initialized. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Linux kernel's drm/vmwgfx component, specifically in the vmw_translate_ptr functions. Originally, these functions used a lookup function that returned a pointer. This was changed to a lookup function that returns an error code and uses a pointer as an out parameter. However, the error handling was not updated accordingly, causing the functions to sometimes return a success value even when the lookup failed. This leads to the use of uninitialized pointers and out-of-bounds (OOB) memory accesses.
How can this vulnerability impact me? :
The vulnerability can cause the vmw_translate_ptr functions to incorrectly indicate success despite failure, leading to uninitialized and out-of-bounds memory accesses. This can result in undefined behavior, potential system crashes, memory corruption, or security issues such as information disclosure or privilege escalation.