« Volver al listado

CVE-2022-49490

Estado: AnalizadaMedia (5.5)—

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

drm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is detected

mdp5_get_global_state runs the risk of hitting a -EDEADLK when acquiring the modeset lock, but currently mdp5_pipe_release doesn't check for if an error is returned. Because of this, there is a possibility of mdp5_pipe_release hitting a NULL dereference error.

To avoid this, let's have mdp5_pipe_release check if mdp5_get_global_state returns an error and propogate that error.

Changes since v1: - Separated declaration and initialization of *new_state to avoid compiler warning - Fixed some spelling mistakes in commit message

Leer descripción completaMostrar menos

Changes since v2: - Return 0 in case where hwpipe is NULL as this is considered normal behavior - Added 2nd patch in series to fix a similar NULL dereference issue in mdp5_mixer_release

Patchwork: https://patchwork.freedesktop.org/patch/485179/

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-2022-49490",
  "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": "7907a0d77cb461f58045763c205a5830be72e97c",
              "lessThan": "776f5c58bfe16cf322d71eeed3c5dda1eeac7e6b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7907a0d77cb461f58045763c205a5830be72e97c",
              "lessThan": "b2aa2c4efe93e2580d6a8774b04fe2b99756a322",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7907a0d77cb461f58045763c205a5830be72e97c",
              "lessThan": "49dc28b4b2e28ef7564e355c91487996c1cbebd7",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7907a0d77cb461f58045763c205a5830be72e97c",
              "lessThan": "04bef5f1ba8ea6d7c1c8f5f65e0395c62db59cb8",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7907a0d77cb461f58045763c205a5830be72e97c",
              "lessThan": "19964dfb39bda4d7716a71009488f0668ecbcf52",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7907a0d77cb461f58045763c205a5830be72e97c",
              "lessThan": "33dc5aac46e0fad8f5eb193e5906ed0eb6b66ceb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7907a0d77cb461f58045763c205a5830be72e97c",
              "lessThan": "d59be579fa932c46b908f37509f319cbd4ca9a68",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.c",
            "drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.h",
            "drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.18"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.18",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.19.247",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "status": "unaffected",
              "version": "5.4.198",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.121",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.46",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "5.17.14",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "status": "unaffected",
              "version": "5.18.3",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.c",
            "drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.h",
            "drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-02-26T07:01:25.183",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/04bef5f1ba8ea6d7c1c8f5f65e0395c62db59cb8",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/19964dfb39bda4d7716a71009488f0668ecbcf52",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/33dc5aac46e0fad8f5eb193e5906ed0eb6b66ceb",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/49dc28b4b2e28ef7564e355c91487996c1cbebd7",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/776f5c58bfe16cf322d71eeed3c5dda1eeac7e6b",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b2aa2c4efe93e2580d6a8774b04fe2b99756a322",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d59be579fa932c46b908f37509f319cbd4ca9a68",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is detected\n\nmdp5_get_global_state runs the risk of hitting a -EDEADLK when acquiring\nthe modeset lock, but currently mdp5_pipe_release doesn't check for if\nan error is returned. Because of this, there is a possibility of\nmdp5_pipe_release hitting a NULL dereference error.\n\nTo avoid this, let's have mdp5_pipe_release check if\nmdp5_get_global_state returns an error and propogate that error.\n\nChanges since v1:\n- Separated declaration and initialization of *new_state to avoid\n  compiler warning\n- Fixed some spelling mistakes in commit message\n\nChanges since v2:\n- Return 0 in case where hwpipe is NULL as this is considered normal\n  behavior\n- Added 2nd patch in series to fix a similar NULL dereference issue in\n  mdp5_mixer_release\n\nPatchwork: https://patchwork.freedesktop.org/patch/485179/"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/mdp5: Devuelve un código de error en mdp5_pipe_release cuando se detecta un bloqueo mdp5_get_global_state corre el riesgo de alcanzar un -EDEADLK al adquirir el bloqueo modeset, pero actualmente mdp5_pipe_release no verifica si se devuelve un error. Debido a esto, existe la posibilidad de que mdp5_pipe_release alcance un error de desreferencia NULL. Para evitar esto, hagamos que mdp5_pipe_release verifique si mdp5_get_global_state devuelve un error y propague ese error. Cambios desde v1: - Declaración separada e inicialización de *new_state para evitar advertencias del compilador - Se corrigieron algunos errores ortográficos en el mensaje de confirmación Cambios desde v2: - Devuelve 0 en caso de que hwpipe sea NULL, ya que esto se considera un comportamiento normal - Se agregó el segundo parche en serie para corregir un problema de desreferencia NULL similar en mdp5_mixer_release Patchwork: https://patchwork.freedesktop.org/patch/485179/"
    }
  ],
  "lastModified": "2026-06-17T05:18:13.017",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BBFFE062-9442-4F45-97E6-976A3C5CFBE1",
              "versionEndExcluding": "4.19.247",
              "versionStartIncluding": "4.18"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3EC49633-14DE-4EBD-BB80-76AE2E3EABB9",
              "versionEndExcluding": "5.4.198",
              "versionStartIncluding": "4.20"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "34ACD872-E5BC-401C-93D5-B357A62426E0",
              "versionEndExcluding": "5.10.121",
              "versionStartIncluding": "5.5"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "20D41697-0E8B-4B7D-8842-F17BF2AA21E1",
              "versionEndExcluding": "5.15.46",
              "versionStartIncluding": "5.11"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252",
              "versionEndExcluding": "5.17.14",
              "versionStartIncluding": "5.16"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2",
              "versionEndExcluding": "5.18.3",
              "versionStartIncluding": "5.18"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}