CVE-2023-53444: drm/ttm: fix bulk_move corruption when adding a entry

Published Sep 18, 2025
·
Updated

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

drm/ttm: fix bulkmove corruption when adding a entry

When the resource is the first in the bulkmove 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 ttmlrubulkmovedel()

Affected Software

4 affected components
Linux Kernel
Linux Linux kernel>=5.19<6.1.42
Linux Linux kernel>=6.2<6.4.7
Linux Linux kernel=6.5-rc1

Event History

Sep 18, 2025
CVE Published
via MITRE·04:04 PM
Data Sourced
via MITRE·04:04 PM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-53444?

The severity level of CVE-2023-53444 is currently classified as moderate.

2

How do I fix CVE-2023-53444?

To fix CVE-2023-53444, ensure that you update to the latest version of the Linux kernel where the vulnerability has been patched.

3

What does CVE-2023-53444 affect?

CVE-2023-53444 affects the Linux kernel, particularly the DRM subsystem with Bulk Move operations.

4

Is CVE-2023-53444 exploitable?

Yes, CVE-2023-53444 can be exploited under specific conditions to cause resource corruption.

5

When was CVE-2023-53444 reported?

CVE-2023-53444 was reported and addressed in late 2023.

Contact

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