CVE-2025-40111
Published: November 14, 2025Last modified: June 24, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix Use-after-free in validation Nodes stored in the validation duplicates hashtable come from an arena allocator that is cleared at the end of vmw_execbuf_process. All nodes are expected to be cleared in vmw_validation_drop_ht but this node escaped because its resource was destroyed prematurely.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.158-r0) |
| 25 LTS | linux-lts | Fixed (6.12.57-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/1822e5287b7dfa59d0af966756ebf1dc652b60ee
- https://git.kernel.org/stable/c/4c918f9d1ccccc0e092f43dcb2d8266f54d7340b
- https://git.kernel.org/stable/c/655a2f29bfc21105c80bf8a7d7aafa6eca8b4496
- https://git.kernel.org/stable/c/65608e991c2d771c13404e5c7ae122ac3c3357a4
- https://git.kernel.org/stable/c/867bda5d95d36f10da398fd4409e21c7002b2332
- https://git.kernel.org/stable/c/9a8eaca539708ca532747f606d231f70e684e8ca
- https://git.kernel.org/stable/c/dfe1323ab3c8a4dd5625ebfdba44dc47df84512a
- https://git.kernel.org/stable/c/fb7165e5f3b3b10721ff70553583ad12e90e447a