CVE-2025-38271

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> net: prevent a NULL deref in rtnl_create_link()<br /> <br /> At the time rtnl_create_link() is running, dev-&gt;netdev_ops is NULL,<br /> we must not use netdev_lock_ops() or risk a NULL deref if<br /> CONFIG_NET_SHAPER is defined.<br /> <br /> Use netif_set_group() instead of dev_set_group().<br /> <br /> RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]<br /> RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]<br /> RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82<br /> Call Trace:<br /> <br /> rtnl_create_link+0x748/0xd10 net/core/rtnetlink.c:3674<br /> rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3813<br /> __rtnl_newlink net/core/rtnetlink.c:3940 [inline]<br /> rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055<br /> rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6944<br /> netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534<br /> netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]<br /> netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339<br /> netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883<br /> sock_sendmsg_nosec net/socket.c:712 [inline]