{
  "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-2026-31518",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31518",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-22T13:54:34.191Z",
    "updatedAt": "2026-10-15T01:16:51.564Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "esp: fix skb leak with espintcp and async crypto",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nesp: fix skb leak with espintcp and async crypto\n\nWhen the TX queue for espintcp is full, esp_output_tail_tcp will\nreturn an error and not free the skb, because with synchronous crypto,\nthe common xfrm output code will drop the packet for us.\n\nWith async crypto (esp_output_done), we need to drop the skb when\nesp_output_tail_tcp returns an error.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "aca3ad0c262f54a5b5c95dda80a48365997d1224"
            },
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "41aafca57de4a4c026701622bd4648f112a9edcd"
            },
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4820847e036ff1035b01b69ad68dfc17e7028fe9"
            },
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6a3ec6efbc4f90e0ccb2e71574f07351f19996f4"
            },
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "df6f995358dc1f3c42484f5cfe241d7bd3e1cd15"
            },
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "88d386243ed374ac969dabd3bbc1409a31d81818"
            },
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6aa9841d917532d0f2d932d1ff2f3a94305aaf47"
            },
            {
              "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0c0eef8ccd2413b0a10eb6bbd3442333b1e64dd2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "5.10.253",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.131",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.80",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.21",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}