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VULNERABILITIES

CVE-2026-89553 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a kernel.org
https://git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d kernel.org
https://git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81 kernel.org
https://git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e kernel.org
https://git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409 kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-89553
NVD Published Date:
Sep 11, 2026
NVD Last Modified:
Sep 14, 2026
Source:
kernel.org
CVE-2026-89553 Details - Not Deferred