CVE-2026-98517: drm/nouveau/uvmm: fix UAF in nouveau_uvmm_sm when BO is in TTM_PL_SYSTEM

Overview

Severity

High (CVSS 7.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-20

EPSS Score

0.20% (percentile: 9.2%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-10-20: Information published.