Vulnerability details

CVE-2026-89553

Linux Linux

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

CVSS 3.1
7.8High

Official 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.

CVSS scores

ScoreVersionSourceVector
7.8High 3.1 CVEProject cvelistV5 (CNA) (Linux) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Linux Linux 3.1 CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < 24340ab41c33e16b3d64d89cb738ecd83c78de49 CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < f57e0d3bee3f7a459c048e10fd1cbcfd1dac2e0f CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < e05c28bd6043d0fd0bea9c3fc49300a8871a1a81 CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < 3e9c9090d4cc5a61ab5067ac5502c4fd37891b97 CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < ff110e85837d7ecd83f36078107be240ff5ae409 CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < e60466011ac3a6b8045e6cc3c2cbb30d58039d2e CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < 5e17160d41d92823f3379c1982e1369680c5ce4d CVEProject cvelistV5 (CNA)
Linux Linux e758a3111914af7ee4351be86f1ac0efe87ed06e ≤ v < 208867763843aa82efcbe3b771f1b8e6c7aa820a CVEProject cvelistV5 (CNA)

References and advisories

8
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Details

Published
2026-09-11
Last updated
2026-10-30
State
Published
Assigner (CNA)
Linux

Exploit prediction (EPSS)

0.13%
Probability of exploitation in 30 days
2.9%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

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