Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - netvlan不在打开时传播标记 使用设备实例锁定现在可能存在死锁[ 1.211455] =================== ========================= [ 1.211571] 警告检测到可能递归锁定 [ 1.211687] 6.14.0-rc5-01215-g032756b4ca7a-dirty #5 未受感染 [ 1.211823]
    ------------------------------------------- [ 1.211936] ip/ 184 正在尝试获取锁定[ 1.212032] ffff8881024a4c30 (&dev->lock){+.+.}-{4:4}dev_set_allmulti+0x4e/0xb0 [ 1.212207] [ 1.212207] 但任务已占用lock[ 1.212332] ffff8881024a4c30 (&dev->lock){+.+.}-{4:4}at: dev_open+0x50/0xb0 [1.212487] [ 1.212487] 可帮助我们调试此问题的其他信息[ 1.212626] 可能不安全的锁定情况[ 1.212626] [ 1.212751] CPU0 [ 1.212815] ---- [ 1.212871] lock(&dev->lock); [ 1.212944] lock(&dev->lock); [ 1.213016] [ 1.213016] *** DEADLOCK *** [ 1.213016] [ 1.213143] 可能是因为缺少锁定嵌套符号所致 [ 1.213143] [ 1.213294] ip/184 保留的锁定 [ 1.213371] #0ffffffff838b53e0 (rtnl_mutex){+.+.}-{4:4} atrtnl_nets_lock+0x1b/0xa0 [ 1.213543] #1ffffffff84e5fc70 (&net->rtnl_mutex){+.+.}-{4:4}@rtnl_nets_lock+0x37/0xa0 [ 1.213727] #2ffff8881024a4c30 (&dev->lock){+.+.}-{4:4}@dev_open+0x50/0xb0 [ 1.213895] [ 1.213895]堆栈回溯[ 1.213991] CPU
    0 UID: 0 PID: 184 Comm: ip Not tainted 6.14.0-rc5-01215-g032756b4ca7a-dirty #5 [ 1.213993] 硬件名称
    QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.16.3-1-1 04/01/2014 [ 1.213994] 调用跟踪[1.213995] <TASK> [ 1.213996] dump_stack_lvl+0x8e/0xd0 [ 1.214000] print_deadlock_bug+0x28b/0x2a0 [1.214020] lock_acquire+0xea/0x2a0 [ 1.214027] __mutex_lock+0xbf/0xd40 [ 1.214038] dev_set_allmulti+0x4e/0xb0 # real_dev->flags & IFF_ALLMULTI [ 1.214040] vlan_dev_open+0xa5/0x170 # ndo_open on vlandev [ 1.214042] __dev_open+0x145/0x270 [ 1.214046] __dev_change_flags+0xb0/0x1e0 [1.214051] netif_change_flags+0x22/0x60 # IFF_UP vlandev [ 1.214053] dev_change_flags+0x61/0xb0 # from dev->vlan_info [ 1.214055] vlan_device_event+0x766/0x7c0 # on netdevsim0 [ 1.214058] notifier_call_chain+0x78/0x120 [ 1.214062] netif_open+0x6d/0x90 [ 1.214064] dev_open+0x5b/0xb0 # 锁定 netdevsim0 [ 1.214066] bond_enslave+0x64c/0x1230 [ 1.214075] netdevsim0 上的 do_set_master+0x175/0x1e0 # [1.214077] do_setlink+0x516/0x13b0 [ 1.214094] rtnl_newlink+0xaba/0xb80 [ 1.214132] rtnetlink_rcv_msg+0x440/0x490 [ 1.214144] netdevsim0 0xeb/0x120 [ 1.214150] netlink_unicast+0x1f9/0x320 [ 1.214153] netlink_sendmsg+0 x346/0x3f0 [ 1.214157] __sock_sendmsg+0x86/0xb0 [1.214160]____sys_sendmsg+0x1c8/0x220 [ 1.214164] ___sys_sendmsg+0x28f/0x2d0 [ 1.214179]
    __x64_sys_sendmsg+0xef/0x140 [ 1.214184] do_syscall_64+0xec/0x1d0 [ 1.214190] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1.214191] RIP: 0033:0x7f2d1b4a7e56 设备设置netdevsim0 (down)^ ^ bond netdevmulticastsim1.100@allcastonnet=向下当从属具有 vlan 的小写设备 (netdevsim0) 时会在 ndo_open 期间传播 vlan 的 allmuti/promisc 标记。这会导致重新锁定 real_dev。在标记变更时而非在打开时传播 allmulti/promisc。有轻微的语义变更表示关闭的 vlan 现在会传播标记但这似乎不会导致真正的问题。Re Producerecho 0 1 > /sys/bus/netdevsim/new_device dev_path=$(ls -d /sys/bus/netdevsim/devices/netdevsim0/net/*) dev=$(echo $dev_path | rev | cut -d/ -f1 | rev) ip link set dev $dev name netdevsim0 ip link set dev netdevsim0 up ip link add link netdevsim0 name netdevsim0.100 type vlan id 100 ip链接集 dev netdevsim0.100 allm ---truncated--- (CVE-2025-23163)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2025-23163

medium Nessus 插件 ID 244589

版本 1.16