{
  "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-2022-50243",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50243",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-15T14:01:52.101Z",
    "updatedAt": "2026-08-05T08:57:54.771Z",
    "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": "sctp: handle the error returned from sctp_auth_asoc_init_active_key",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: handle the error returned from sctp_auth_asoc_init_active_key\n\nWhen it returns an error from sctp_auth_asoc_init_active_key(), the\nactive_key is actually not updated. The old sh_key will be freeed\nwhile it's still used as active key in asoc. Then an use-after-free\nwill be triggered when sending patckets, as found by syzbot:\n\n  sctp_auth_shkey_hold+0x22/0xa0 net/sctp/auth.c:112\n  sctp_set_owner_w net/sctp/socket.c:132 [inline]\n  sctp_sendmsg_to_asoc+0xbd5/0x1a20 net/sctp/socket.c:1863\n  sctp_sendmsg+0x1053/0x1d50 net/sctp/socket.c:2025\n  inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819\n  sock_sendmsg_nosec net/socket.c:714 [inline]\n  sock_sendmsg+0xcf/0x120 net/socket.c:734\n\nThis patch is to fix it by not replacing the sh_key when it returns\nerrors from sctp_auth_asoc_init_active_key() in sctp_auth_set_key().\nFor sctp_auth_set_active_key(), old active_key_id will be set back\nto asoc->active_key_id when the same thing happens.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "50b57223da67653c61e405d0a7592355cfe4585e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b8fa99a3a11bdd77fef6b4a97f1021eb30b5ba40"
            },
            {
              "version": "b60461696a0b0fdaf240bc365b7983698f88ded2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "382ff44716603a54f5fd238ddec6a2468e217612"
            },
            {
              "version": "8eb225873246312660ccd68296959a7b213d0cdd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f65955340e0044f5c41ac799a01698ac7dee8a4e"
            },
            {
              "version": "58acd10092268831e49de279446c314727101292",
              "status": "affected",
              "versionType": "git",
              "lessThan": "19d636b663e0e92951bba5fced929ca7fd25c552"
            },
            {
              "version": "58acd10092268831e49de279446c314727101292",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0f90099d18e3abdc01babf686f41f63fe04939c1"
            },
            {
              "version": "58acd10092268831e49de279446c314727101292",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3b0fcf5e29c0940e1169ce9c44f73edd98bdf12d"
            },
            {
              "version": "58acd10092268831e49de279446c314727101292",
              "status": "affected",
              "versionType": "git",
              "lessThan": "022152aaebe116a25c39818a07e175a8cd3c1e11"
            },
            {
              "version": "c1de376423a7759bf4fa25d6a038a4c1e035c9e1",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.19.199",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.19.262"
            },
            {
              "version": "5.4.136",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4.220"
            },
            {
              "version": "5.10.54",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.150"
            },
            {
              "version": "5.13.6",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.14"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.14"
            },
            {
              "version": "4.19.262",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.220",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.150",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.19.17",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.19.*"
            },
            {
              "version": "6.0.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}