{
  "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-2025-37756",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-37756",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T12:56:00.539Z",
    "updatedAt": "2026-10-15T21:51:59.284Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "net: tls: explicitly disallow disconnect",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: tls: explicitly disallow disconnect\n\nsyzbot discovered that it can disconnect a TLS socket and then\nrun into all sort of unexpected corner cases. I have a vague\nrecollection of Eric pointing this out to us a long time ago.\nSupporting disconnect is really hard, for one thing if offload\nis enabled we'd need to wait for all packets to be _acked_.\nDisconnect is not commonly used, disallow it.\n\nThe immediate problem syzbot run into is the warning in the strp,\nbut that's just the easiest bug to trigger:\n\n  WARNING: CPU: 0 PID: 5834 at net/tls/tls_strp.c:486 tls_strp_msg_load+0x72e/0xa80 net/tls/tls_strp.c:486\n  RIP: 0010:tls_strp_msg_load+0x72e/0xa80 net/tls/tls_strp.c:486\n  Call Trace:\n   <TASK>\n   tls_rx_rec_wait+0x280/0xa60 net/tls/tls_sw.c:1363\n   tls_sw_recvmsg+0x85c/0x1c30 net/tls/tls_sw.c:2043\n   inet6_recvmsg+0x2c9/0x730 net/ipv6/af_inet6.c:678\n   sock_recvmsg_nosec net/socket.c:1023 [inline]\n   sock_recvmsg+0x109/0x280 net/socket.c:1045\n   __sys_recvfrom+0x202/0x380 net/socket.c:2237",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7bdcf5bc35ae59fc4a0fa23276e84b4d1534a3cf"
            },
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ac91c6125468be720eafde9c973994cb45b61d44"
            },
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f3ce4d3f874ab7919edca364c147ac735f9f1d04"
            },
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2bcad8fefcecdd5f005d8c550b25d703c063c34a"
            },
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9fcbca0f801580cbb583e9cb274e2c7fbe766ca6"
            },
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c665bef891e8972e1d3ce5bbc0d42a373346a2c3"
            },
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8513411ec321942bd3cfed53d5bb700665c67d86"
            },
            {
              "version": "3c4d7559159bfe1e3b94df3a657b2cda3a34e218",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5071a1e606b30c0c11278d3c6620cd6a24724cf6"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.13"
            },
            {
              "version": "5.10.237",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.181",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.135",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.88",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.24",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "version": "6.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}