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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89553
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:38 UTC
Updated2026-10-19 09:17:50 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001340000 probability, percentile 0.025990000 (date 2026-10-16)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected e758a3111914af7ee4351be86f1ac0efe87ed06e e05c28bd6043d0fd0bea9c3fc49300a8871a1a81 git Not specified
CNA Linux Linux affected e758a3111914af7ee4351be86f1ac0efe87ed06e 208867763843aa82efcbe3b771f1b8e6c7aa820a git Not specified
CNA Linux Linux affected e758a3111914af7ee4351be86f1ac0efe87ed06e ff110e85837d7ecd83f36078107be240ff5ae409 git Not specified
CNA Linux Linux affected e758a3111914af7ee4351be86f1ac0efe87ed06e e60466011ac3a6b8045e6cc3c2cbb30d58039d2e git Not specified
CNA Linux Linux affected e758a3111914af7ee4351be86f1ac0efe87ed06e 5e17160d41d92823f3379c1982e1369680c5ce4d git Not specified
CNA Linux Linux affected 3.1 Not specified
CNA Linux Linux unaffected 3.1 semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.109 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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