{
  "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-2022-49498",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49498",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:13:32.895Z",
    "updatedAt": "2026-05-11T19:01:04.786Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "ALSA: pcm: Check for null pointer of pointer substream before dereferencing it",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: Check for null pointer of pointer substream before dereferencing it\n\nPointer substream is being dereferenced on the assignment of pointer card\nbefore substream is being null checked with the macro PCM_RUNTIME_CHECK.\nAlthough PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the\nthe pointer check before card is assigned.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "95b30a4312545f2dde9db12bf6a425f35d5a0d77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b2421a196cb0911ea95aec1050a0b830464c8fa6"
            },
            {
              "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f2c68c52898f623fe84518da4606538d193b0cca"
            },
            {
              "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7784d22f81a29df2ec57ca90d54f93a35cbcd1a2"
            },
            {
              "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1f2e28857be1e5c7db39bbc221332215fc5467e3"
            },
            {
              "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123"
            },
            {
              "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "011b559be832194f992f73d6c0d5485f5925a10b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "5.10.121",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.46",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}