What’s Vulnerable › Vulnerabilities

CVE-2025-40111: drm/vmwgfx: Fix Use-after-free in validation

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-12 · updated 2026-10-19

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.

Affected products

• Linux kernel: 4.20 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

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

Get alerted when CVE-2025-40111 or the next vulnerability affects your stack