CVE-2026-98166 Linux Kernel drm/ttm - Use After Free

Linux kernel drm/ttm contains a use-after-free caused by missing removal of swapped-out resources from bulk_move range in ttm_bo_swapout_cb(), letting attackers trigger system crashes or memory corruption after hibernation, exploit requires system suspend-then-hibernate usage.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.15% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for drm/ttm bulk_move resource removal.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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