CVE-2024-26661 drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()'

2024-04-0206:22:10

Linux

github.com

linux kernel

vulnerability

null test

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.7%

JSON

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

drm/amd/display: Add NULL test for ‘timing generator’ in ‘dcn21_set_pipe()’

In “u32 otg_inst = pipe_ctx->stream_res.tg->inst;”
pipe_ctx->stream_res.tg could be NULL, it is relying on the caller to
ensure the tg is not NULL.

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/hwss/dcn21/dcn21_hwseq.c"
    ],
    "versions": [
      {
        "version": "474ac4a875ca",
        "lessThan": "3f3c237a7065",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "474ac4a875ca",
        "lessThan": "39f24c08363a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "474ac4a875ca",
        "lessThan": "66951d98d9bf",
        "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/hwss/dcn21/dcn21_hwseq.c"
    ],
    "versions": [
      {
        "version": "5.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.9",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.17",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.5",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]