{
  "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-2022-49862",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49862",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:10:15.742Z",
    "updatedAt": "2026-05-23T15:23:02.760Z",
    "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": "tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header\n\nThis is a follow-up for commit 974cb0e3e7c9 (\"tipc: fix uninit-value\nin tipc_nl_compat_name_table_dump\") where it should have type casted\nsizeof(..) to int to work when TLV_GET_DATA_LEN() returns a negative\nvalue.\n\nsyzbot reported a call trace because of it:\n\n  BUG: KMSAN: uninit-value in ...\n   tipc_nl_compat_name_table_dump+0x841/0xea0 net/tipc/netlink_compat.c:934\n   __tipc_nl_compat_dumpit+0xab2/0x1320 net/tipc/netlink_compat.c:238\n   tipc_nl_compat_dumpit+0x991/0xb50 net/tipc/netlink_compat.c:321\n   tipc_nl_compat_recv+0xb6e/0x1640 net/tipc/netlink_compat.c:1324\n   genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]\n   genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]\n   genl_rcv_msg+0x103f/0x1260 net/netlink/genetlink.c:792\n   netlink_rcv_skb+0x3a5/0x6c0 net/netlink/af_netlink.c:2501\n   genl_rcv+0x3c/0x50 net/netlink/genetlink.c:803\n   netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n   netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345\n   netlink_sendmsg+0x1288/0x1440 net/netlink/af_netlink.c:1921\n   sock_sendmsg_nosec net/socket.c:714 [inline]\n   sock_sendmsg net/socket.c:734 [inline]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4c559fb7e111077b56f62ccf833a52d8169cde19",
              "status": "affected",
              "versionType": "git",
              "lessThan": "082707d3df191bf5bb8801d43e4ce3dea39ca173"
            },
            {
              "version": "2aae1723dea1235ffef183daf0694805297424f6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a0ead1d648df9c456baec832b494513ef405949a"
            },
            {
              "version": "2d5fc1d492d194aa2986c5a9d8a48a60e9143a72",
              "status": "affected",
              "versionType": "git",
              "lessThan": "55a253a6753a603e80b95932ca971ba514aa6ce7"
            },
            {
              "version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01",
              "status": "affected",
              "versionType": "git",
              "lessThan": "36769b9477491a7af6635863bd950309c1e1b96c"
            },
            {
              "version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f31dd158580940938f77514b87337a777520185a"
            },
            {
              "version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01",
              "status": "affected",
              "versionType": "git",
              "lessThan": "301caa06091af4d5cf056ac8249cbda4e6029c6a"
            },
            {
              "version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6cee2c60bd168279852ac7dbe54c2b70d1028644"
            },
            {
              "version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1c075b192fe41030457cd4a5f7dea730412bca40"
            },
            {
              "version": "c25352f9ad5dffb4de95069e67891e2aa2e99e50",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5486e8d46560ca2b4d86cbd7d3a66d9913b2ac65",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.9.152",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.9.334"
            },
            {
              "version": "4.14.95",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.14.300"
            },
            {
              "version": "4.19.17",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.19.267"
            },
            {
              "version": "4.4.172",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.5"
            },
            {
              "version": "4.20.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.21"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.0"
            },
            {
              "version": "4.9.334",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.300",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.267",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.225",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.155",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.79",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}