CVE-2024-27044 drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()'

2024-05-0112:54:14

Linux

www.cve.org

linux kernel

vulnerability

resolved

drm/amd/display

null pointer

dereferences

dcn10_set_output_transfer_func

stream pointer

check

warning

variable.

7.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.1%

JSON

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

drm/amd/display: Fix potential NULL pointer dereferences in ‘dcn10_set_output_transfer_func()’

The ‘stream’ pointer is used in dcn10_set_output_transfer_func() before
the check if ‘stream’ is NULL.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/…/display/dc/hwss/dcn10/dcn10_hwseq.c:1892 dcn10_set_output_transfer_func() warn: variable dereferenced before check ‘stream’ (see line 1875)

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/dcn10/dcn10_hwseq.c"
    ],
    "versions": [
      {
        "version": "ddef02de0d71",
        "lessThan": "e019d87e02f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddef02de0d71",
        "lessThan": "330caa061af5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddef02de0d71",
        "lessThan": "6ac7c7a3a9ab",
        "status": "affected",
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      },
      {
        "version": "ddef02de0d71",
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      },
      {
        "version": "ddef02de0d71",
        "lessThan": "2d9fe7787af0",
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      },
      {
        "version": "ddef02de0d71",
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      {
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      },
      {
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      }
    ]
  },
  {
    "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/dcn10/dcn10_hwseq.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.273",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.214",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.153",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.83",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.23",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.11",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8.2",
        "lessThanOrEqual": "6.8.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]