{
  "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-2025-21680",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21680",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-01-31T11:25:40.831Z",
    "updatedAt": "2026-08-05T11:53:35.511Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "pktgen: Avoid out-of-bounds access in get_imix_entries",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\npktgen: Avoid out-of-bounds access in get_imix_entries\n\nPassing a sufficient amount of imix entries leads to invalid access to the\npkt_dev->imix_entries array because of the incorrect boundary check.\n\nUBSAN: array-index-out-of-bounds in net/core/pktgen.c:874:24\nindex 20 is out of range for type 'imix_pkt [20]'\nCPU: 2 PID: 1210 Comm: bash Not tainted 6.10.0-rc1 #121\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996)\nCall Trace:\n<TASK>\ndump_stack_lvl lib/dump_stack.c:117\n__ubsan_handle_out_of_bounds lib/ubsan.c:429\nget_imix_entries net/core/pktgen.c:874\npktgen_if_write net/core/pktgen.c:1063\npde_write fs/proc/inode.c:334\nproc_reg_write fs/proc/inode.c:346\nvfs_write fs/read_write.c:593\nksys_write fs/read_write.c:644\ndo_syscall_64 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:130\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[ fp: allow to fill the array completely; minor changelog cleanup ]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "52a62f8603f97e720882c8f5aff2767ac6a11d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3450092cc2d1c311c5ea92a2486daa2a33520ea5"
            },
            {
              "version": "52a62f8603f97e720882c8f5aff2767ac6a11d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e5d24a7074dcd0c7e76b7e7e4efbbe7418d62486"
            },
            {
              "version": "52a62f8603f97e720882c8f5aff2767ac6a11d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7cde21f52042aa2e29a654458166b873d2ae66b3"
            },
            {
              "version": "52a62f8603f97e720882c8f5aff2767ac6a11d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a9b65c672ca9dc4ba52ca2fd54329db9580ce29"
            },
            {
              "version": "52a62f8603f97e720882c8f5aff2767ac6a11d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "76201b5979768500bca362871db66d77cb4c225e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.15"
            },
            {
              "version": "5.15.177",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.127",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.74",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}