CVE-2026-89553
nouveau/gem: reserve the bo in the info ioctl around the vma lookup
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 11, 2026 |
| Last Updated | Sep 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
e758a3111914af7ee4351be86f1ac0efe87ed06e < e05c28bd6043d0fd0bea9c3fc49300a8871a1a81 e758a3111914af7ee4351be86f1ac0efe87ed06e < 208867763843aa82efcbe3b771f1b8e6c7aa820a e758a3111914af7ee4351be86f1ac0efe87ed06e < ff110e85837d7ecd83f36078107be240ff5ae409 e758a3111914af7ee4351be86f1ac0efe87ed06e < e60466011ac3a6b8045e6cc3c2cbb30d58039d2e e758a3111914af7ee4351be86f1ac0efe87ed06e < 5e17160d41d92823f3379c1982e1369680c5ce4d
Linux / Linux
3.1
References
git.kernel.org: https://git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81 git.kernel.org: https://git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a git.kernel.org: https://git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409 git.kernel.org: https://git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e git.kernel.org: https://git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d