Unrated severityNVD Advisory· Published Sep 11, 2026

CVE-2026-89553

Description

In the Linux kernel, the following vulnerability has been resolved:

nouveau/gem: reserve the bo in the info ioctl around the vma lookup

In the non-uvmm path, there could be a race between the info lookup finding the vma, and the gem close path closing the vma leading to a use-after-free.

Spotted with the help of Opus 4.6.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernelllm-fuzzy

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820anvd
git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4dnvd
git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2envd
git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409nvd

News mentions

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patch	-0.070
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