Linux Distros 未修補弱點:CVE-2022-49440

medium Nessus Plugin ID 225278

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。

- powerpc/rtas:調用 RTAS 時,保持設定 MSR[RI],RTAS 在實際模式 (MSR[DR] 和 MSR[IR] 未設定) 和 32 位元 big endian 模式 (MSR[SF,LE] 未設定) 下執行。MSR 的變更是在 enter_rtas() 中以相對複雜的方式完成,因為 MSR 值可以硬式編碼。此外,在 RTAS 中執行時遇到監視程式中斷時,還報告了錯誤,這會導致以下堆疊追蹤: 監視程式:CPU 24 硬鎖定監視程式:CPU 24 TB:997512652051031,最後活動訊號 TB:997504470175378(15980 毫秒前)...
支援:否,未發佈的核心 CPU:24 PID:87504 通訊:drmgr Kdump:已載入 污染:G E X 5。 14.21-150400.71.1.bz196362_2-default #1 SLE15-SP4 (未發行) 0d821077ef4faa8dfaf370efb5fdca1fa35f4e2c NIP:000000001fb41050 LR:000000001fb4104c CTR:000000000000000000000 REGS:c000000000fc33d60 陷阱:0100 污染:G E X (5.14.21-150400.71.1.bz196362_2-default) MSR:8000000002981000 <SF,VEC,VSX,ME> CR:48800002 XER:20040020 CFAR:000000000000011c IRQMASK:1 GPR00: 0000000000000003 ffffffffff 0000000000000001 00000000000050dc GPR04: 000000001ffb6100 0000000000000020 0000000000000001 000000001fb09010 GPR08:
0000000020000000 000000000000000000 000000000000000000 0000000000000000 : 800400000072a40a8 c00000000ff8b680 0000000000000007 0000000000000034 GPR16: 0000000001fbf6e94 000000001fbf6d84 000000000 01fbd1db0 000000001fb3f008 GPR20: 000000001fb41018 ffffffff 000000000000017f ffffffff68f GPR24: 000000001fb18fe8 000000001fb3e000 000000001fb1adc0 000000001fb1cf40 GPR28:GPR12
000000001fb26000 000000001fb460f0 000000001fb17f18 000000001fb17000 NIP [000000001fb41050] 0x1fb41050 LR [000000001fb4104c] 0x1fb4104c 呼叫追蹤: 指令轉儲:XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXX
無法復原的系統重設,簽名:6 [#1] LE PAGE_SIZE=64K MMU=雜湊 SMP NR_CPUS=2048 NUMA pSeries ...
支援:否,未發佈的核心 CPU:24 PID:87504 通訊:drmgr Kdump:已載入 污染:G E X 5。 14.21-150400.71.1.bz196362_2-default #1 SLE15-SP4 (未發行) 0d821077ef4faa8dfaf370efb5fdca1fa35f4e2c NIP:000000001fb41050 LR:000000001fb4104c CTR:000000000000000000000 REGS:c000000000fc33d60 陷阱:0100 污染:G E X (5.14.21-150400.71.1.bz196362_2-default) MSR:8000000002981000 <SF,VEC,VSX,ME> CR:48800002 XER:20040020 CFAR:000000000000011c IRQMASK:1 GPR00: 0000000000000003 ffffffffff 0000000000000001 00000000000050dc GPR04: 000000001ffb6100 0000000000000020 0000000000000001 000000001fb09010 GPR08:
0000000020000000 000000000000000000 000000000000000000 0000000000000000 : 800400000072a40a8 c00000000ff8b680 0000000000000007 0000000000000034 GPR16: 0000000001fbf6e94 000000001fbf6d84 000000000 01fbd1db0 000000001fb3f008 GPR20: 000000001fb41018 ffffffff 000000000000017f ffffffff68f GPR24: 000000001fb18fe8 000000001fb3e000 000000001fb1adc0 000000001fb1cf40 GPR28:GPR12
000000001fb26000 000000001fb460f0 000000001fb17f18 000000001fb17000 NIP [000000001fb41050] 0x1fb41050 LR [000000001fb4104c] 0x1fb4104c 呼叫追蹤:指令轉儲:XXXXXXXX XXXX XX XXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX ---[END TRACE 3DDEC07F638C34A2 ]--- 發生這種情況的原因是在輸入 RTAS 時未設定 MSR[RI],但沒有正當理由不在此處設定它。RTAS 應使用 MSR[RI] 呼叫,如 PAPR+ 區段「機器狀態:R17.2.19」中7.2.1所指定。如果以等於 1 的 MSR[RI] 調用,則 RTAS 必須在重要區域中將 MSR[RI] 位設定為 0,以保護自己的重要區域免於遞迴。在呼叫 RTAS 之前檢閱 MSR 的計算方式,即可修正此問題。現在是一個硬編碼值,意思是實數
---truncated--- (CVE-2022-49440)

請注意,Nessus 依賴供應商報告的套件存在。

解決方案

目前尚未有已知的解決方案。

另請參閱

https://ubuntu.com/security/CVE-2022-49440

Plugin 詳細資訊

嚴重性: Medium

ID: 225278

檔案名稱: unpatched_CVE_2022_49440.nasl

版本: 1.17

類型: Local

代理程式: unix

系列: Misc.

已發布: 2025/3/5

已更新: 2026/9/2

支援的感應器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

風險資訊

VPR

風險因素: Low

分數: 3

百分位數: 23.71

CVSS v2

風險因素: Medium

基本分數: 6.6

時間性分數: 5.6

媒介: CVSS2#AV:L/AC:L/Au:N/C:N/I:C/A:C

CVSS 評分資料來源: CVE-2022-49440

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:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-allwinner-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.0, 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-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.8, 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-hwe, p-cpe:/a:canonical:ubuntu_linux:linux-aws, p-cpe:/a:canonical:ubuntu_linux:linux-azure-4.15, 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-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-azure-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-azure-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-azure-edge, 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-azure-fde, p-cpe:/a:canonical:ubuntu_linux:linux-azure, p-cpe:/a:canonical:ubuntu_linux:linux-bluefield, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-4.15, 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-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-gcp-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-gke-4.15, p-cpe:/a:canonical:ubuntu_linux:linux-gke-5.15, p-cpe:/a:canonical:ubuntu_linux:linux-gke-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-gke, p-cpe:/a:canonical:ubuntu_linux:linux-gkeop-5.15, p-cpe:/a:canonical:ubuntu_linux:linux-gkeop-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-gkeop, 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-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-edge, p-cpe:/a:canonical:ubuntu_linux:linux-hwe, p-cpe:/a:canonical:ubuntu_linux:linux-ibm-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-ibm, p-cpe:/a:canonical:ubuntu_linux:linux-intel-5.13, p-cpe:/a:canonical:ubuntu_linux:linux-intel-iot-realtime, p-cpe:/a:canonical:ubuntu_linux:linux-iot, p-cpe:/a:canonical:ubuntu_linux:linux-kvm, 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-lowlatency-hwe-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-lts-xenial, p-cpe:/a:canonical:ubuntu_linux:linux-nvidia-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-nvidia-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.10, p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.13, 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-5.6, 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-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-oem, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.0, 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-oracle-5.3, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-oracle-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-raspi-5.4, p-cpe:/a:canonical:ubuntu_linux:linux-raspi-realtime, p-cpe:/a:canonical:ubuntu_linux:linux-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-realtime, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.11, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-5.8, p-cpe:/a:canonical:ubuntu_linux:linux-riscv-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-riscv, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-5.19, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-6.2, p-cpe:/a:canonical:ubuntu_linux:linux-starfive-6.5, p-cpe:/a:canonical:ubuntu_linux:linux-xilinx-zynqmp, p-cpe:/a:canonical:ubuntu_linux:linux

必要的 KB 項目: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

可輕鬆利用: No known exploits are available

弱點發布日期: 2025/2/26

參考資訊

CVE: CVE-2022-49440