CVE-2021-47611 mac80211: validate extended element ID is present

2024-06-1914:58:00

Linux

github.com

linux kernel mac80211 vulnerability

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.7%

JSON

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

mac80211: validate extended element ID is present

Before attempting to parse an extended element, verify that
the extended element ID is present.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "41cbb0f5a295",
        "lessThan": "03029bb044cc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "41cbb0f5a295",
        "lessThan": "a19cf6844b50",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "41cbb0f5a295",
        "lessThan": "7fd214fc7f2e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "41cbb0f5a295",
        "lessThan": "c62b16f98688",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "41cbb0f5a295",
        "lessThan": "768c0b19b506",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/mac80211/util.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.19"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.19",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "4.19.222",
        "versionType": "custom",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.168",
        "versionType": "custom",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.88",
        "versionType": "custom",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.11",
        "versionType": "custom",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "5.16",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/mac80211/util.c"
    ],
    "defaultStatus": "affected"
  }
]