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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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    <lastBuildDate>Thu, 08 Oct 2026 12:49:26 +0000</lastBuildDate>
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      <title>CVE-2025-21787 — team: better TEAM_OPTION_TYPE_STRING validation</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2025-21787</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;team: better TEAM_OPTION_TYPE_STRING validation&lt;/p&gt;
&lt;p&gt;syzbot reported following splat [1]&lt;/p&gt;
&lt;p&gt;Make sure user-provided data contains one nul byte.&lt;/p&gt;
&lt;p&gt;[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+0…&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;team: better TEAM_OPTION_TYPE_STRING validation&lt;/p&gt;
&lt;p&gt;syzbot reported following splat [1]&lt;/p&gt;
&lt;p&gt;Make sure user-provided data contains one nul byte.&lt;/p&gt;
&lt;p&gt;[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+0…&lt;/p&gt;</content:encoded>
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