CVE-2023-53806 (GCVE-0-2023-53806)
Vulnerability from cvelistv5
Published
2025-12-09 00:01
Modified
2025-12-20 08:51
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: populate subvp cmd info only for the top pipe [Why] System restart observed while changing the display resolution to 8k with extended mode. Sytem restart was caused by a page fault. [How] When the driver populates subvp info it did it for both the pipes using vblank which caused an outof bounds array access causing the page fault. added checks to allow the top pipe only to fix this issue.
References
Impacted products
Vendor Product Version
Linux Linux Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.15"
            },
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              "version": "0",
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            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.30",
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            {
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              "status": "unaffected",
              "version": "6.3.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                  "vulnerable": true
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: populate subvp cmd info only for the top pipe\n\n[Why]\nSystem restart observed while changing the display resolution\nto 8k with extended mode. Sytem restart was caused by a page fault.\n\n[How]\nWhen the driver populates subvp info it did it for both the pipes using\nvblank which caused an outof bounds array access causing the page fault.\nadded checks to allow the top pipe only to fix this issue."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-20T08:51:24.296Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/92e6c79acad4b96efeff261d27bdbd8089a7dd24"
        },
        {
          "url": "https://git.kernel.org/stable/c/375d192eb1f1d9229a6d994da7ba31f3582b106b"
        },
        {
          "url": "https://git.kernel.org/stable/c/9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0"
        }
      ],
      "title": "drm/amd/display: populate subvp cmd info only for the top pipe",
      "x_generator": {
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  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53806",
    "datePublished": "2025-12-09T00:01:04.413Z",
    "dateReserved": "2025-12-08T23:58:35.276Z",
    "dateUpdated": "2025-12-20T08:51:24.296Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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