CVE-2024-43906 drm/admgpu: fix dereferencing null pointer context

2024-08-2610:11:08

Linux

www.cve.org

linux kernel

vulnerability

resolved

drm/admgpu

fix

dereferencing

null pointer

user space

EPSS

Percentile

5.0%

JSON

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

drm/admgpu: fix dereferencing null pointer context

When user space sets an invalid ta type, the pointer context will be empty.
So it need to check the pointer context before using it

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/amdgpu/amdgpu_psp_ta.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "641dac64178c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "4fd52f7c2c11",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "030ffd4d43b4",
        "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/amdgpu/amdgpu_psp_ta.c"
    ],
    "versions": [
      {
        "version": "6.6.46",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.5",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]