High severity7.8NVD Advisory· Published Sep 11, 2026· Updated Oct 19, 2026
CVE-2026-89553
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
3- osv-coords2 versions
>= 3.1.0, < 6.6.157+ 1 more
- (no CPE)range: >= 3.1.0, < 6.6.157
- (no CPE)range: < 7.2.7-1.1
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820anvd
- git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4dnvd
- git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81nvd
- git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2envd
- git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409nvd
News mentions
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