High 7.8Published Sep 11, 2026

CVE-2026-89553nouveau/gem: reserve the bo in the info ioctl around the vma lookup

Updated under an hour ago (2026-10-19 09:30 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e758a3111914af7ee4351be86f1ac0efe87ed06e before e05c28bd6043d0fd0bea9c3fc49300a8871a1a81; from e758a3111914af7ee4351be86f1ac0efe87ed06e before 208867763843aa82efcbe3b771f1b8e6c7aa820a; from e758a3111914af7ee4351be86f1ac0efe87ed06e before ff110e85837d7ecd83f36078107be240ff5ae409; from e758a3111914af7ee4351be86f1ac0efe87ed06e before e60466011ac3a6b8045e6cc3c2cbb30d58039d2e; from e758a3111914af7ee4351be86f1ac0efe87ed06e before 5e17160d41d92823f3379c1982e1369680c5ce4d	CNA record

References

https://git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81
https://git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a
https://git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409
https://git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e
https://git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.