{
  "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-2023-52700",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52700",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:22:50.702Z",
    "updatedAt": "2026-05-11T19:31:57.635Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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 kernel warning when sending SYN message",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix kernel warning when sending SYN message\n\nWhen sending a SYN message, this kernel stack trace is observed:\n\n...\n[   13.396352] RIP: 0010:_copy_from_iter+0xb4/0x550\n...\n[   13.398494] Call Trace:\n[   13.398630]  <TASK>\n[   13.398630]  ? __alloc_skb+0xed/0x1a0\n[   13.398630]  tipc_msg_build+0x12c/0x670 [tipc]\n[   13.398630]  ? shmem_add_to_page_cache.isra.71+0x151/0x290\n[   13.398630]  __tipc_sendmsg+0x2d1/0x710 [tipc]\n[   13.398630]  ? tipc_connect+0x1d9/0x230 [tipc]\n[   13.398630]  ? __local_bh_enable_ip+0x37/0x80\n[   13.398630]  tipc_connect+0x1d9/0x230 [tipc]\n[   13.398630]  ? __sys_connect+0x9f/0xd0\n[   13.398630]  __sys_connect+0x9f/0xd0\n[   13.398630]  ? preempt_count_add+0x4d/0xa0\n[   13.398630]  ? fpregs_assert_state_consistent+0x22/0x50\n[   13.398630]  __x64_sys_connect+0x16/0x20\n[   13.398630]  do_syscall_64+0x42/0x90\n[   13.398630]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nIt is because commit a41dad905e5a (\"iov_iter: saner checks for attempt\nto copy to/from iterator\") has introduced sanity check for copying\nfrom/to iov iterator. Lacking of copy direction from the iterator\nviewpoint would lead to kernel stack trace like above.\n\nThis commit fixes this issue by initializing the iov iterator with\nthe correct copy direction when sending SYN or ACK without data.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f25dcc7687d42a72de18aa41b04990a24c9e77c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "54b6082aec178f16ad6d193b4ecdc9c4823d9a32"
            },
            {
              "version": "f25dcc7687d42a72de18aa41b04990a24c9e77c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "11a4d6f67cf55883dc78e31c247d1903ed7feccc"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.0"
            },
            {
              "version": "6.1.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}