« Volver al listado

CVE-2022-49773

Estado: AnalizadaMedia (5.5)—

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

drm/amd/display: Fix optc2_configure warning on dcn314

[How] Use optc1_configure_crc() directly

Detalles técnicos trazas, registros y código del informe original
[Why]
dcn314 uses optc2_configure_crc() that wraps
optc1_configure_crc() + set additional registers
not applicable to dcn314.
It's not critical but when used leads to warning like:
WARNING: drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c
Call Trace:
<TASK>
generic_reg_set_ex+0x6d/0xe0 [amdgpu]
optc2_configure_crc+0x60/0x80 [amdgpu]
dc_stream_configure_crc+0x129/0x150 [amdgpu]
amdgpu_dm_crtc_configure_crc_source+0x5d/0xe0 [amdgpu]

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-49773",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2ce0b2186c057a54a4d980b296bd1659d0091716",
              "lessThan": "f67ef5aa88e3db0a13ae3befab2ddf14ac00a91c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "2ce0b2186c057a54a4d980b296bd1659d0091716",
              "lessThan": "e7e4f77c991c9abf90924929a9d55f90b0bb78de",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/dcn314/dcn314_optc.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/dcn314/dcn314_optc.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-05-01T15:16:00.453",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/e7e4f77c991c9abf90924929a9d55f90b0bb78de",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f67ef5aa88e3db0a13ae3befab2ddf14ac00a91c",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix optc2_configure warning on dcn314\n\n[Why]\ndcn314 uses optc2_configure_crc() that wraps\noptc1_configure_crc() + set additional registers\nnot applicable to dcn314.\nIt's not critical but when used leads to warning like:\nWARNING: drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c\nCall Trace:\n<TASK>\ngeneric_reg_set_ex+0x6d/0xe0 [amdgpu]\noptc2_configure_crc+0x60/0x80 [amdgpu]\ndc_stream_configure_crc+0x129/0x150 [amdgpu]\namdgpu_dm_crtc_configure_crc_source+0x5d/0xe0 [amdgpu]\n\n[How]\nUse optc1_configure_crc() directly"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Se corrige la advertencia de optc2_configure en dcn314 [Por qué] dcn314 usa optc2_configure_crc() que envuelve optc1_configure_crc() + establece registros adicionales que no son aplicables a dcn314. No es crítico, pero cuando se usa genera advertencias como: ADVERTENCIA: drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c Seguimiento de llamadas:  generic_reg_set_ex+0x6d/0xe0 [amdgpu] optc2_configure_crc+0x60/0x80 [amdgpu] dc_stream_configure_crc+0x129/0x150 [amdgpu] amdgpu_dm_crtc_configure_crc_source+0x5d/0xe0 [amdgpu] [How] Use optc1_configure_crc() directly "
    }
  ],
  "lastModified": "2026-06-17T05:19:06.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "74D8840E-7DE8-47C4-AE8E-372F0C6DF7BB",
              "versionEndExcluding": "6.0.10",
              "versionStartIncluding": "6.0"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}