CVE-2023-53444

drm/ttm: fix bulk_move corruption when adding a entry

Medium · published September 18, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
3.6
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

drm/ttm: fix bulk_move corruption when adding a entry

When the resource is the first in the bulk_move range, adding it again

(thus moving it to the tail) will corrupt the list since the first

pointer is not moved. This eventually lead to null pointer deref in

ttm_lru_bulk_move_del()

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00146 · 3.6th percentile
Published
2025-09-18T16:04Z
EPSS history
Timeline
  • 18 SEP 16:04Z
    drm/ttm: fix bulk_move corruption when adding a entry
    cvelistv5