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。

  - KVMarm64修复对使用大型映射的 np-guests 的调试检查如果以透明大型页面和 CONFIG_NVHE_EL2_DEBUG 运行则 assert_host_shared_guest() 中的调试检查在 np-guest 启动时失败。此 WARN_ON() 会造成错误并生成以下堆栈。在 __pkvm_host_relax_perms_guest() 中调试检查假设映射为单个页面但也可能是区块映射。更新检查以便不检查大小而仅假设正确大小。尽管我们在 中进行了相同的修复
    __pkvm_host_mkyoung_guest()。Info# lkvm run -k /share/arch/arm64/boot/Image -m 704 -c 8 --name guest-128 Info删除了 ghost 套接字文件 /.lkvm//guest-128.sock。 [ 1406.521757] kvm [141]nVHE hyp 缺陷位于
    arch/arm64/kvm/hyp/nvhe/mem_protect.c:1088! [ 1406.521804] kvm [141]nVHE 调用跟踪[ 1406.521828] kvm [141][<ffff8000811676b4>] __kvm_nvhe_hyp_panic+0xb4/0xe8 [ 1406.521946] kvm [141][<ffff80008116d12c>]
    __kvm_nvhe_assert_host_shared_guest+0xb0/0x10c [ 1406.522049] kvm [141][<ffff80008116f068>]
    __kvm_nvhe___pkvm_host_relax_perms_guest+0x48/0x104 [ 1406.522157] kvm [141][<ffff800081169df8>]
    __kvm_nvhe_handle___pkvm_host_relax_perms_guest+0x64/0x7c [ 1406.522250] kvm [141][<ffff800081169f0c>]
    __kvm_nvhe_handle_trap+0x8c/0x1a8 [ 1406.522333] kvm [141][<ffff8000811680fc>]
    __kvm_nvhe___skip_pauth_save+0x4/0x4 [ 1406.522454] kvm [141]: ---[ 结束 nVHE 调用跟踪 ]--- [1406.522477] kvm [141] Hyp 偏移0xfffece8013600000 [ 1406.522554] 内核错误 - 不同步HYP panic: [ 1406.522554] PS:834003c9 PC:0000b1806db6d170 ESR:00000000f2000800 [ 1406.522554] FAR:ffff8000804be420 HPFAR:0000000000804be0 PAR:0000000000000000 [ 1406.522554] VCPU:0000000000000000 [1406.523337] CPU: 3 UID: 0 PID: 141 Comm: kvm-vcpu-0 未受感染 6.16.0-rc7 #97 PREEMPT [ 1406.523485] 硬件名称FVP Base RevC (DT) [ 1406.523566] 调用跟踪[ 1406.523629] show_stack+0x18/0x24 (C) [1406.523753] dump_stack_lvl+0xd4/0x108 [ 1406.523899] dump_stack+0x18/0x24 [ 1406.524040] panic+0x3d8/0x448 [ 1406.524184] nvhe_hyp_panic_handler+0x10c/0x23c [ 1406.524325] kvm_handle_guest_abort+0x68c/0x109c [ 1406.524500] handle_exit+0x60/ 0x17c [ 1406.524630] kvm_arch_vcpu_ioctl_run+0x2e0/0x8c0 [ 1406.524794] kvm_vcpu_ioctl+0x1a8/0x9cc [ 1406.524919]
    __arm64_sys_ioctl+0xac/0x104 [ 1406.525067] invoke_syscall+0x48/0x10c [ 1406.525189] el0_svc_common.constprop.0+0x40/0xe0 [ 1406.525322] do_el0_svc+0x1c/0x28 [ [] ] el0_svc+0x38/0x120 [ [] ] el0_svc_common.constprop.0+0x40/0xe0 [ 1406.525441] el0_svc+0x38/0x120 [ 1406.525588]_handler +0x10c/0x138 [ 1406.525750] el0t_64_sync+0x1ac/0x1b0 [ 1406.525876] SMP正在停止辅助 CPU [ 1406.525965] 内核偏移已禁用 [ 1406.526032] CPU 功能
    0x0000,00000080,8e134ca1,9446773f [ 1406.526130] Memory Limit: none [ 1406.959099] ---[ end Kernel panic - not syncing: HYP panic: [ 1406.959099] PS:834003c9 PC:0000b1806db6d170 ESR:00000000f2000800 [ 1406.959099] FAR:ffff8000804be420 HPFAR:0000000000804be0 PAR:0000000000000000 [ 1406.959099] VCPU:0000000000000000 ] (CVE-2025-40184)

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-2025-40184

medium Nessus 插件 ID 275342

版本 1.7