Linux Distros 未修補的弱點：CVE-2026-31601
medium Nessus Plugin ID 310281
語言:
概要
Linux/Unix 主機上安裝的一個或多個套件存有弱點，廠商表示將不會修補。說明
Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。- vfio/xe：重新組織初始化以將遷移與重置分離。嘗試在不支援遷移的 VF 裝置上執行重置會導致以下情況：錯誤：無法處理位址的頁面錯誤：
0000000000001f8 #PF：核心模式下監督者讀取存取 #PF： error_code（0x0000） - 頁面不存在 PGD 0 P4D 0 哎呀：哎呀：0000 [#1] SMP NOPTI CPU： 2 UID： 0 PID： 7443 通訊：xe_sriov_flr 受污染： G S U 7.0.0-rc1-lgci-xe-xe-4588-cec43d5c2696af219-nodebug+ #1 搶佔（lazy） 受污染： [S]=CPU_OUT_OF_SPEC， [U]=用戶 硬體名稱：Intel Corporation Alder Lake 用戶端平台/AlderLake-P DDR4 RVP， BIOS RPLPFWI1.R00.4035.A00.2301200723 2023/01/20 RIP：0010：xe_sriov_vfio_wait_flr_done+0xc/0x80 [XE] 代碼：ff c3 cc cc cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 e5 41 54 53 <83> bf f8 11 00 00 02 75 61 41 89 F4 85 F6 74 52 48 8b 4708 48 89 RSP：
0018：ffffc9000f7C39b8 EFLAGS：00010202 RAX：ffffffffa04d8660 RBX：ffff88813e3e4000 RCX：00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000RBP：ffffc90000f7c39c8 R08：
00000000000000 ： 00000000000000000000 ： 00 0000000080050033 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 R14R15R11R13R12R10R09
00000000000011f8 CR3： 000000015a762000 CR4： 00000000000f52ef0 PKRU： 55555554 通話追蹤： <TASK> xe_vfio_pci_reset_done+0x49/0x120 [xe_vfio_pci] pci_dev_restore+0x3b/0x80 pci_reset_function+0x109/0x140 reset_store+0x5c/0xb0 dev_attr_store+0x17/0x40 sysfs_kf_write+0x72/0x90 kernfs_fop_write_iter+0x161/0x1f0 vfs_write+0x261/0x440 ksys_write+0x69/0xf0 __x64_sys_write+0x19/0x30 x64_sys_call+0x259/0x26e0 do_syscall_64+0xcb/0x1500 ？ __fput+0x1a2/0x2d0 ？fput_close_sync+0x3d/0xa0？__x64_sys_close+0x3e/0x90？x64_sys_call+0x1b7c/0x26e0？do_syscall_64+0x109/0x1500？__task_pid_nr_ns+0x68/0x100？
__do_sys_getpid+0x1d/0x30？x64_sys_call+0x10b5/0x26e0？do_syscall_64+0x109/0x1500？putname+0x41/0x90？do_faccessat+0x1e8/0x300？__x64_sys_access+0x1c/0x30？x64_sys_call+0x1822/0x26e0？do_syscall_64+0x109/0x1500？tick_program_event+0x43/0xa0？hrtimer_interrupt+0x126/0x260？irqentry_exit+0xb2/0x710 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP： 0033：0x7877d5f1c5a4 代碼：c7 00 16 00 00 00 b8 ff ff ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 F3 0f 1E FA 80 3d A5 EA 0E 00 00 74 13 B8 01 00 00 00 0f 05 <48> 3d 00 F0 FF FF 77 54 C3 0f 1f 00 55 48 89 E5 48 83 EC 2048 89 RSP： 002b：00007fff48e5f908 EFLAGS： 00000202 ORIG_RAX： 0000000000000001 RAX： ffffffffffda RBX： 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00007877d5f1c5a4 RDX： 0000000000000001 RSI： 00007877d621b0c9 RDI： 0000000000000009 RBP： 0000000000000001 ： 00005fb49113b010 R09： 0000000000000007 R10： 0000000000000000000000 R11： 0000000000000202 R12：R08
00007877d621b0c9 R13： 0000000000000009 R14： 00007fff48e5fac0 R15： 00007fff48e5fac0 </TASK> 這是因為處理重置所需的部分xe_vfio_pci_core_device成員僅在遷移初始化時初始化。問題是重新組織程式碼，將 VF init 與遷移 init 分離。（CVE-2026-31601）
請注意，Nessus 的判定取決於廠商所報告的套件是否存在。
解決方案
目前尚未有已知的解決方案。另請參閱
Plugin 詳細資訊
嚴重性: Medium
ID: 310281
檔案名稱: unpatched_CVE_2026_31601.nasl
版本: 1.7
類型: Local
代理程式: unix
系列: Misc.
已發布: 2026/4/25
已更新: 2026/5/5
支援的感應器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
風險資訊
VPR
風險因素: Medium
分數: 4.4
CVSS v2
風險因素: Medium
基本分數: 4.6
時間性分數: 3.9
媒介: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
CVSS 評分資料來源: CVE-2026-31601
CVSS v3
風險因素: Medium
基本分數: 5.5
時間性分數: 5.1
媒介: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
時間媒介: CVSS:3.0/E:U/RL:U/RC:C
弱點資訊
CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux, p-cpe:/a:canonical:ubuntu_linux:linux-aws, p-cpe:/a:canonical:ubuntu_linux:linux-azure, p-cpe:/a:canonical:ubuntu_linux:linux-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-gke, p-cpe:/a:canonical:ubuntu_linux:linux-azure-edge, p-cpe:/a:canonical:ubuntu_linux:linux-gke-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-gkeop, p-cpe:/a:canonical:ubuntu_linux:linux-gkeop-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-oem, p-cpe:/a:canonical:ubuntu_linux:linux-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-ibm, p-cpe:/a:canonical:ubuntu_linux:linux-azure-fde, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-gke-5.15, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-6.11, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-6.11, p-cpe:/a:canonical:ubuntu_linux:linux-hwe, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-nvidia-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-oem-6.8, p-cpe:/a:canonical:ubuntu_linux:linux-oem-6.11, p-cpe:/a:canonical:ubuntu_linux:linux-riscv, p-cpe:/a:canonical:ubuntu_linux:linux-gkeop-5.15, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-edge, p-cpe:/a:canonical:ubuntu_linux:linux-intel-iot-realtime, p-cpe:/a:canonical:ubuntu_linux:linux-raspi-realtime, p-cpe:/a:canonical:ubuntu_linux:linux-realtime, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.0, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-gke-4.15, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.6, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.0, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-nvidia-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-azure-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-oem-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-allwinner-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-intel-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-azure-6.11, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-aws-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-aws-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-aws-6.14, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-azure-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-azure-fde-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-azure-fde-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-6.11, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.10, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.14, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.17, p-cpe:/a:canonical:ubuntu_linux:linux-oem-6.0, p-cpe:/a:canonical:ubuntu_linux:linux-oem-6.1, p-cpe:/a:canonical:ubuntu_linux:linux-oem-6.14, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-6.14, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-6.14, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-6.14, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-6.14, p-cpe:/a:canonical:ubuntu_linux:linux-nvidia-6.11, cpe:/o:canonical:ubuntu_linux:26.04
必要的 KB 項目: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier
可輕鬆利用: No known exploits are available
弱點發布日期: 2026/4/24
參考資訊
CVE: CVE-2026-31601