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。

  - pid在 pid_nr_ns __task_pid_nr_ns 中添加对 ns null 的判断 ns = task_active_pid_ns(current);
    pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns); if (pid && ns->level <= pid->level) { 有时会为 task_active_pid_ns 返回 null。然后它将在 pid_nr_ns 中触发内核错误。例如：
    无法处理虚拟地址 0000000000000058 Mem abort infoESR = 0x0000000096000007 EC = 0x25DABT当前 ELIL = 32 位 SET = 0FnV = 0 EA = 0S1PTW = 0 FSC = 0x07级别 3 转换错误数据中止信息ISV = 0、ISS = 0x00000007、ISS2 = 0x00000000 CM = 0、WnR = 0、TnD = 0、TagAccess = 0 GCS = 0、Overlay = 0、DirtyBit = 0、Xs = 0 用户pgtable4k 页面、39 位 VA、 pgdp=00000002175aa000 [0000000000000058] pgd=08000002175ab003、p4d=08000002175ab003、 pud=08000002175ab003、 pmd=08000002175be003、 pte=0000000000000000 pstate: 834000c5 (Nzcv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc__task_pid_nr_ns+ 0x74/0xd0 lr__task_pid_nr_ns+0x24/0xd0 spffffffc08001bd10 x29
    ffffffc08001bd10 x28: ffffffd4422b2000 x27: 0000000000000001 x26: ffffffd442821168 x25: ffffffd442821000 x24: 00000f89492eab31 x23: 00000000000000c0 x22: ffffff806f5693c0 x21: ffffff806f5693c0 x20:
    0000000000000001 x19: 0000000000000000 x18: 0000000000000000 x17: 00000000529c6ef0 x16: 00000000529c6ef0 x15: 00000000023a1adc x14: 0000000000000003 x13: 00000000007ef6d8 x12: 001167c391c78800 x11:
    00ffffffffffffff x10: 0000000000000000 x9 : 0000000000000001 x8 : ffffff80816fa3c0 x7 : 0000000000000000 x6 : 49534d702d535449 x5 : ffffffc080c4c2c0 x4 : ffffffd43ee128c8 x3 : ffffffd43ee124dc x2 :
    0000000000000000 x1 : 0000000000000001 x0 : ffffff806f5693c0 调用跟踪 __task_pid_nr_ns+0x74/0xd0 ...
    __handle_irq_event_percpu+0xd4/0x284 handle_irq_event+0x48/0xb0 handle_fasteoi_irq+0x160/0x2d8 generic_handle_domain_irq+0x44/0x60 gic_handle_irq+0x4c/0x114 call_on_irq_stack+0x3c/0x74 do_interrupt_handler+0x4c/0x84 el1_interrupt+0x34/0x58 el1h_64_irq_handler+0x18/0x24 el1h_64_irq+0x68/0x6c account_kernel_stack+0x60/0x144 exit_task_stack_account+0x1c/0x80 do_exit+0x7e4/0xaf8 ...
    get_signal+0x7bc/0x8d8 do_notify_resume+0x128/0x828 el0_svc+0x6c/0x70 el0t_64_sync_handler+0x68/0xbc el0t_64_sync+0x1a8/0x1ac Code: 35fffe54 911a02a8 f9400108 b4000128 (b9405a69) ---[ end trace 0000000000000000 ]--- Kernel panic - not syncing Oops中断中的致命异常 (CVE-2025-40178)

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-2025-40178

medium Nessus 插件 ID 275361

版本 1.26