CVE-2024-42309 drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes

2024-08-1709:09:14

Linux

www.cve.org

linux kernel

drm/gma500

null pointer dereference

fix

cve-2024-42309

EPSS

Percentile

5.0%

JSON

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

drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes

In psb_intel_lvds_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/gma500/psb_intel_lvds.c"
    ],
    "versions": [
      {
        "version": "89c78134cc54",
        "lessThan": "13b5f3ee94bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89c78134cc54",
        "lessThan": "d6ad202f73f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89c78134cc54",
        "lessThan": "6735d02ead7d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89c78134cc54",
        "lessThan": "7e52c62ff029",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89c78134cc54",
        "lessThan": "f70ffeca5464",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89c78134cc54",
        "lessThan": "46d2ef272957",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89c78134cc54",
        "lessThan": "475a5b3b7c8e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "89c78134cc54",
        "lessThan": "2df7aac81070",
        "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/gma500/psb_intel_lvds.c"
    ],
    "versions": [
      {
        "version": "3.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.3",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.320",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.282",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.224",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.165",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.103",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.44",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.3",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]