ghsa-mh6r-68r2-78qw
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
team: better TEAM_OPTION_TYPE_STRING validation
syzbot reported following splat [1]
Make sure user-provided data contains one nul byte.
[1] BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:633 [inline] BUG: KMSAN: uninit-value in string+0x3ec/0x5f0 lib/vsprintf.c:714 string_nocheck lib/vsprintf.c:633 [inline] string+0x3ec/0x5f0 lib/vsprintf.c:714 vsnprintf+0xa5d/0x1960 lib/vsprintf.c:2843 __request_module+0x252/0x9f0 kernel/module/kmod.c:149 team_mode_get drivers/net/team/team_core.c:480 [inline] team_change_mode drivers/net/team/team_core.c:607 [inline] team_mode_option_set+0x437/0x970 drivers/net/team/team_core.c:1401 team_option_set drivers/net/team/team_core.c:375 [inline] team_nl_options_set_doit+0x1339/0x1f90 drivers/net/team/team_core.c:2662 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x1214/0x12c0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2543 genl_rcv+0x40/0x60 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:733 _syssendmsg+0x877/0xb60 net/socket.c:2573 _sys_sendmsg+0x28d/0x3c0 net/socket.c:2627 __sys_sendmsg net/socket.c:2659 [inline] __do_sys_sendmsg net/socket.c:2664 [inline] __se_sys_sendmsg net/socket.c:2662 [inline] __x64_sys_sendmsg+0x212/0x3c0 net/socket.c:2662 x64_sys_call+0x2ed6/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f
{
"affected": [],
"aliases": [
"CVE-2025-21787"
],
"database_specific": {
"cwe_ids": [
"CWE-908"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-27T03:15:19Z",
"severity": "MODERATE"
},
"details": "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",
"id": "GHSA-mh6r-68r2-78qw",
"modified": "2025-03-13T15:32:52Z",
"published": "2025-02-27T03:34:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21787"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4236bf4716589558cc0f3c3612642b2c2141b04e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4512482e4805dd30bc77dec511f2a2edba5cb868"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/5bef3ac184b5626ea62385d6b82a1992b89d7940"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7c30483d0f6bdb2230e10e3e4be5167927eac7a0"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7f5af50f3aa0af8cbef9fb76fffeed69e8143f59"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/8401cade1918281177974b32c925afdce750d292"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d071a91fa614ecdf760c29f61f6a7bfb7df796d6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f443687ad20c70320d1248f35f57bf46cac8df0a"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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