{
  "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-2025-21787",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21787",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-27T02:18:26.875Z",
    "updatedAt": "2026-10-15T01:04:23.334Z",
    "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": "team: better TEAM_OPTION_TYPE_STRING validation",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nteam: better TEAM_OPTION_TYPE_STRING validation\n\nsyzbot reported following splat [1]\n\nMake sure user-provided data contains one nul byte.\n\n[1]\n BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:633 [inline]\n BUG: KMSAN: uninit-value in string+0x3ec/0x5f0 lib/vsprintf.c:714\n  string_nocheck lib/vsprintf.c:633 [inline]\n  string+0x3ec/0x5f0 lib/vsprintf.c:714\n  vsnprintf+0xa5d/0x1960 lib/vsprintf.c:2843\n  __request_module+0x252/0x9f0 kernel/module/kmod.c:149\n  team_mode_get drivers/net/team/team_core.c:480 [inline]\n  team_change_mode drivers/net/team/team_core.c:607 [inline]\n  team_mode_option_set+0x437/0x970 drivers/net/team/team_core.c:1401\n  team_option_set drivers/net/team/team_core.c:375 [inline]\n  team_nl_options_set_doit+0x1339/0x1f90 drivers/net/team/team_core.c:2662\n  genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]\n  genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]\n  genl_rcv_msg+0x1214/0x12c0 net/netlink/genetlink.c:1210\n  netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2543\n  genl_rcv+0x40/0x60 net/netlink/genetlink.c:1219\n  netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]\n  netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1348\n  netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1892\n  sock_sendmsg_nosec net/socket.c:718 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:733\n  ____sys_sendmsg+0x877/0xb60 net/socket.c:2573\n  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2627\n  __sys_sendmsg net/socket.c:2659 [inline]\n  __do_sys_sendmsg net/socket.c:2664 [inline]\n  __se_sys_sendmsg net/socket.c:2662 [inline]\n  __x64_sys_sendmsg+0x212/0x3c0 net/socket.c:2662\n  x64_sys_call+0x2ed6/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:47\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7c30483d0f6bdb2230e10e3e4be5167927eac7a0"
            },
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7f5af50f3aa0af8cbef9fb76fffeed69e8143f59"
            },
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f443687ad20c70320d1248f35f57bf46cac8df0a"
            },
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4512482e4805dd30bc77dec511f2a2edba5cb868"
            },
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d071a91fa614ecdf760c29f61f6a7bfb7df796d6"
            },
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4236bf4716589558cc0f3c3612642b2c2141b04e"
            },
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8401cade1918281177974b32c925afdce750d292"
            },
            {
              "version": "3d249d4ca7d0ed6629a135ea1ea21c72286c0d80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5bef3ac184b5626ea62385d6b82a1992b89d7940"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.3"
            },
            {
              "version": "5.4.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.179",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.129",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.79",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}