CVE-2021-47079 platform/x86: ideapad-laptop: fix a NULL pointer dereference

2024-03-0121:15:15

Linux

github.com

linux kernel

vulnerability

platform/x86

ideapad-laptop

null pointer

dereference

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.1%

JSON

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

platform/x86: ideapad-laptop: fix a NULL pointer dereference

The third parameter of dytc_cql_command should not be NULL since it will
be dereferenced immediately.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/platform/x86/ideapad-laptop.c"
    ],
    "versions": [
      {
        "version": "ff36b0d953dc",
        "lessThan": "beab753fe3b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff36b0d953dc",
        "lessThan": "ff67dbd554b2",
        "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/platform/x86/ideapad-laptop.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.7",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]