{
  "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-2025-38441",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-38441",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-07-25T15:27:20.276Z",
    "updatedAt": "2026-05-23T15:59:44.778Z",
    "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": "netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()\n\nsyzbot found a potential access to uninit-value in nf_flow_pppoe_proto()\n\nBlamed commit forgot the Ethernet header.\n\nBUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\n  nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\n  nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]\n  nf_hook_slow+0xe1/0x3d0 net/netfilter/core.c:623\n  nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]\n  nf_ingress net/core/dev.c:5742 [inline]\n  __netif_receive_skb_core+0x4aff/0x70c0 net/core/dev.c:5837\n  __netif_receive_skb_one_core net/core/dev.c:5975 [inline]\n  __netif_receive_skb+0xcc/0xac0 net/core/dev.c:6090\n  netif_receive_skb_internal net/core/dev.c:6176 [inline]\n  netif_receive_skb+0x57/0x630 net/core/dev.c:6235\n  tun_rx_batched+0x1df/0x980 drivers/net/tun.c:1485\n  tun_get_user+0x4ee0/0x6b40 drivers/net/tun.c:1938\n  tun_chr_write_iter+0x3e9/0x5c0 drivers/net/tun.c:1984\n  new_sync_write fs/read_write.c:593 [inline]\n  vfs_write+0xb4b/0x1580 fs/read_write.c:686\n  ksys_write fs/read_write.c:738 [inline]\n  __do_sys_write fs/read_write.c:749 [inline]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d06977b9a4109f8738bb276125eb6a0b772bc433",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a3aea97d55964e70a1e6426aa4cafdc036e8a2dd"
            },
            {
              "version": "8bf7c76a2a207ca2b4cfda0a279192adf27678d7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eed8960b289327235185b7c32649c3470a3e969b"
            },
            {
              "version": "a2471d271042ea18e8a6babc132a8716bb2f08b9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9fbc49429a23b02595ba82536c5ea425fdabb221"
            },
            {
              "version": "87b3593bed1868b2d9fe096c01bcdf0ea86cbebf",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e0dd2e9729660f3f4fcb16e0aef87342911528ef"
            },
            {
              "version": "87b3593bed1868b2d9fe096c01bcdf0ea86cbebf",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cfbf0665969af2c69d10c377d4c3d306e717efb4"
            },
            {
              "version": "87b3593bed1868b2d9fe096c01bcdf0ea86cbebf",
              "status": "affected",
              "versionType": "git",
              "lessThan": "18cdb3d982da8976b28d57691eb256ec5688fad2"
            },
            {
              "version": "cf366ee3bc1b7d1c76a882640ba3b3f8f1039163",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.157",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.189"
            },
            {
              "version": "6.1.88",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.146"
            },
            {
              "version": "6.6.29",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.99"
            },
            {
              "version": "6.8.8",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.9"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.9",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.9"
            },
            {
              "version": "5.15.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.146",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.99",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.39",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.15.7",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.15.*"
            },
            {
              "version": "6.16",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}