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Review reviewHigh

CVE-2025-68286

Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check NULL before accessing [WHAT] IGT kms_cursor_legacy's long-nonblocking-modeset-vs-cursor-atomic fails with NULL pointer dereference. This can be reproduced with both an eDP panel and a DP monitors connected. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 13 UID: 0 PID: 2960 Comm: kms_cursor_lega Not tainted 6.16.0-99-custom #8 PREEMPT(voluntary) Hardwar...

CVSS
7.8
EPSS
0.14%
3.55% percentile
CISA KEV
Not listed
Published
2025.12.17
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.14%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check NULL before accessing [WHAT] IGT kms_cursor_legacy's long-nonblocking-modeset-vs-cursor-atomic fails with NULL pointer dereference. This can be reproduced with both an eDP panel and a DP monitors connected. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 13 UID: 0 PID: 2960 Comm: kms_cursor_lega Not tainted 6.16.0-99-custom #8 PREEMPT(voluntary) Hardwar...

Affected product and versions

Product
Linux
Affected versions
>= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 781f2f32e9c19eb791b52af283c96f9a9677a7f2, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 09092269cb762378ca8b56024746b1a136761e0d, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 109e9c92543f3105e8e1efd2c5e6b92ef55d5743, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 9d1a65cbe3ec5da3003c8434ac7a38dcdc958fd9, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < f7cf491cd5b54b5a093bd3fdf76fa2860a7522bf, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 62150f1e7ec707da76ff353fb7db51fef9cd6557, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 3ce62c189693e8ed7b3abe551802bbc67f3ace54, >= 4.15
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available