CVE-2024-42101 drm/nouveau: fix null pointer dereference in nouveau_connector_get_modes

2024-07-3007:45:57

Linux

www.cve.org

linux kernel

vulnerability

resolved

drm/nouveau

nouveau_connector_get_modes

drm_mode_duplicate

null pointer

dereference

check

cve-2024-42101

EPSS

Percentile

5.0%

JSON

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

drm/nouveau: fix null pointer dereference in nouveau_connector_get_modes

In nouveau_connector_get_modes(), the return value of drm_mode_duplicate()
is assigned to mode, which will lead to a possible NULL pointer
dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

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/nouveau/nouveau_connector.c"
    ],
    "versions": [
      {
        "version": "6ee738610f41",
        "lessThan": "9baf60323efa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ee738610f41",
        "lessThan": "e36364f5f378",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ee738610f41",
        "lessThan": "274cba8d2d1b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ee738610f41",
        "lessThan": "f48dd3f19614",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ee738610f41",
        "lessThan": "1f3253523849",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ee738610f41",
        "lessThan": "744b229f0913",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ee738610f41",
        "lessThan": "7db5411c5d0b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ee738610f41",
        "lessThan": "80bec6825b19",
        "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/nouveau/nouveau_connector.c"
    ],
    "versions": [
      {
        "version": "2.6.33",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.33",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.318",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.280",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.222",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.163",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.98",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.39",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9.9",
        "lessThanOrEqual": "6.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]