CVE-2026-89553

HIGH 7.8

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	Linux Kernel
Industries	Technology
Published	Sep 11, 2026
Last Updated	Oct 30, 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 < 3e9c9090d4cc5a61ab5067ac5502c4fd37891b97 e758a3111914af7ee4351be86f1ac0efe87ed06e < 24340ab41c33e16b3d64d89cb738ecd83c78de49 e758a3111914af7ee4351be86f1ac0efe87ed06e < f57e0d3bee3f7a459c048e10fd1cbcfd1dac2e0f e758a3111914af7ee4351be86f1ac0efe87ed06e < e05c28bd6043d0fd0bea9c3fc49300a8871a1a81 e758a3111914af7ee4351be86f1ac0efe87ed06e < 208867763843aa82efcbe3b771f1b8e6c7aa820a e758a3111914af7ee4351be86f1ac0efe87ed06e < ff110e85837d7ecd83f36078107be240ff5ae409 e758a3111914af7ee4351be86f1ac0efe87ed06e < e60466011ac3a6b8045e6cc3c2cbb30d58039d2e e758a3111914af7ee4351be86f1ac0efe87ed06e < 5e17160d41d92823f3379c1982e1369680c5ce4d

Linux / Linux

3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗