CVE-2023-52460 drm/amd/display: Fix NULL pointer dereference at hibernate

2024-02-2314:46:21

Linux

www.cve.org

vulnerability

linux kernel

hibernate

drm/amd/display

null pointer

dml2 support

5.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

JSON

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

drm/amd/display: Fix NULL pointer dereference at hibernate

During hibernate sequence the source context might not have a clk_mgr.
So don’t use it to look for DML2 support.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/dc/core/dc_resource.c"
    ],
    "versions": [
      {
        "version": "7966f319c66d",
        "lessThan": "6b80326efff0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7966f319c66d",
        "lessThan": "b719a9c15d52",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/dc/core/dc_resource.c"
    ],
    "versions": [
      {
        "version": "6.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.7",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.2",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]