{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-47095",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47095",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-03-04T18:10:46.553Z",
    "updatedAt": "2026-05-11T13:47:56.919Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "ipmi: ssif: initialize ssif_info->client early",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: ssif: initialize ssif_info->client early\n\nDuring probe ssif_info->client is dereferenced in error path. However,\nit is set when some of the error checking has already been done. This\ncauses following kernel crash if an error path is taken:\n\n[   30.645593][  T674] ipmi_ssif 0-000e: ipmi_ssif: Not probing, Interface already present\n[   30.657616][  T674] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000088\n...\n[   30.657723][  T674] pc : __dev_printk+0x28/0xa0\n[   30.657732][  T674] lr : _dev_err+0x7c/0xa0\n...\n[   30.657772][  T674] Call trace:\n[   30.657775][  T674]  __dev_printk+0x28/0xa0\n[   30.657778][  T674]  _dev_err+0x7c/0xa0\n[   30.657781][  T674]  ssif_probe+0x548/0x900 [ipmi_ssif 62ce4b08badc1458fd896206d9ef69a3c31f3d3e]\n[   30.657791][  T674]  i2c_device_probe+0x37c/0x3c0\n...\n\nInitialize ssif_info->client before any error path can be taken. Clear\ni2c_client data in the error path to prevent the dangling pointer from\nleaking.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c4436c9149c5d2bc0c49ab57ec85c75ea1c4d61c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8efd6a3391f7b0b19fb0c38e50add06ca30c94af"
            },
            {
              "version": "c4436c9149c5d2bc0c49ab57ec85c75ea1c4d61c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1f6ab847461ce7dd89ae9db2dd4658c993355d7c"
            },
            {
              "version": "c4436c9149c5d2bc0c49ab57ec85c75ea1c4d61c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "77a7311ca167aa5b7055c549a940a56e73ee5f29"
            },
            {
              "version": "c4436c9149c5d2bc0c49ab57ec85c75ea1c4d61c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "34f35f8f14bc406efc06ee4ff73202c6fd245d15"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.4"
            },
            {
              "version": "5.4.169",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.89",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}