Answer in brief
CVE-2025-21787 records a Unknown severity vulnerability in team: better TEAM_OPTION_TYPE_STRING validation. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <7c30483d0f6bdb2230e10e3e4be5167927eac7a0 || >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <7f5af50f3aa0af8cbef9fb76fffeed69e8143f59 || >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <f443687ad20c70320d1248f35f57bf46cac8df0a || >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <4512482e4805dd30bc77dec511f2a2edba5cb868 || >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <d071a91fa614ecdf760c29f61f6a7bfb7df796d6 || >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <4236bf4716589558cc0f3c3612642b2c2141b04e || >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <8401cade1918281177974b32c925afdce750d292 || >=3d249d4ca7d0ed6629a135ea1ea21c72286c0d80 <5bef3ac184b5626ea62385d6b82a1992b89d7940 | 7c30483d0f6bdb2230e10e3e4be5167927eac7a0, 7f5af50f3aa0af8cbef9fb76fffeed69e8143f59, f443687ad20c70320d1248f35f57bf46cac8df0a, 4512482e4805dd30bc77dec511f2a2edba5cb868, d071a91fa614ecdf760c29f61f6a7bfb7df796d6, 4236bf4716589558cc0f3c3612642b2c2141b04e, 8401cade1918281177974b32c925afdce750d292, 5bef3ac184b5626ea62385d6b82a1992b89d7940 |
| Linux/Linuxgeneric | 3.3 | Not reported |
| Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric | >=0 <* | * |
Published upstream
Feb 27, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 15, 2026
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 ____sys_sendmsg+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
Quoted source text, attributed separately from HOL analysis.