Linux Distros 未修补的漏洞:CVE-2022-49440

medium Nessus 插件 ID 225278

简介

Linux/Unix 主机上安装的一个或多个程序包存在漏洞,但供应商表示不会修补此漏洞。

描述

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。

- powerpc/rtas:调用 RTAS 时保持 MSR[RI] 设置,RTAS 在实际模式(MSR[DR] 和 MSR[IR] 未设置)和 32 位大端模式(MSR[SF,LE] 未设置)下运行。MSR 的更改以相对复杂的方式在 enter_rtas() 中完成,因为 MSR 值可被硬编码。此外,据报告,在 RTAS 中运行时点击监视程序中断时存在错误,这会导致以下堆栈跟踪:监视程序:CPU 24 硬锁定监视程序:CPU 24 TB:997512652051031,上次心跳信息 TB:997504470175378(15980 毫秒前)...
支持:否,未发布 内核 CPU:24 PID:87504 通信:drmgr Kdump:已加载 受感染:G E X 5.14.21-150400.71.1.bz196362_2-default #1 SLE15-SP4(未发布)0d821077ef4faa8dfaf370efb5fdca1fa35f4e2c NIP:000000001fb41050 LR:000000001fb4104c CTR:00000000000000000 REGS:c00000000fc33d60 陷阱:0100 受感染: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 000000000000050dc GPR04: 000000001ffb6100 0000000000000020 0000000000000001 0000000001fb09010 GPR08:
0000000020000000 00000000000000000000000000000000000000000000000000000000 GPR12: 80040000072a40a8 c00000000ff8b680 0000000000000007 0000000000000034 GPR16: 0000000001fbf6e94 000000001fbf6d84 000000000 01fbd1db0 0000000001fb3f008 GPR20: 000000001fb41018 ffffff 000000000000017f ffffff68f GPR24: 000000001fb18fe8 000000001fb3e000 000000001fb1adc0 000000001fb1cf40 GPR28:
000000001fb26000 000000001fb460f0 000000001fb17f18 000000001fb17000 NIP [000000001fb41050] 0x1fb41050 LR [000000001fb4104c] 0x1fb4104c 调用跟踪: 指令转储: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXX
无法恢复的系统重置,sig:6 [#1] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries ...
支持:否,未发布 内核 CPU:24 PID:87504 通信:drmgr Kdump:已加载 受感染:G E X 5.14.21-150400.71.1.bz196362_2-default #1 SLE15-SP4(未发布)0d821077ef4faa8dfaf370efb5fdca1fa35f4e2c NIP:000000001fb41050 LR:000000001fb4104c CTR:00000000000000000 REGS:c00000000fc33d60 陷阱:0100 受感染: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 000000000000050dc GPR04: 000000001ffb6100 0000000000000020 0000000000000001 0000000001fb09010 GPR08:
0000000020000000 00000000000000000000000000000000000000000000000000000000 GPR12: 80040000072a40a8 c00000000ff8b680 0000000000000007 0000000000000034 GPR16: 0000000001fbf6e94 000000001fbf6d84 000000000 01fbd1db0 0000000001fb3f008 GPR20: 000000001fb41018 ffffff 000000000000017f ffffff68f GPR24: 000000001fb18fe8 000000001fb3e000 000000001fb1adc0 000000001fb1cf40 GPR28:
000000001fb26000 000000001fb460f0 000000001fb17f18 000000001fb17000 NIP [000000001fb41050] 0x1fb41050 LR [000000001fb4104c] 0x1fb4104c调用跟踪:指令转储:XXXXXXXX XX XXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX ---[END TRACE 3DDEC07F638C34A2 ]--- 发生此问题的原因是输入 RTAS 时未设置 MSR[RI],但也没有正当理由不在此处设置。RTAS 预期使用 PAPR+ 部分 7.2.1 中指定的 MSR[RI] 调用 机器状态: R17.2.19。如果通过等于 1 的 MSR[RI] 调用,则 RTAS 必须通过在关键区域中将 MSR[RI] 位设置为 0 来保护其自身关键区域免遭递归。通过在调用 RTAS 之前检查 MSR 的计算方式修复此问题。现在是一个表示真实的硬编码值
---truncated--- (CVE-2022-49440)

请注意,Nessus 依赖供应商报告的程序包是否存在进行判断。

解决方案

目前尚未有任何已知的解决方案。

另见

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

插件详情

严重性: Medium

ID: 225278

文件名: unpatched_CVE_2022_49440.nasl

版本: 1.17

类型: Local

代理: unix

系列: Misc.

发布时间: 2025/3/5

最近更新时间: 2026/9/2

支持的传感器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

风险信息

VPR

风险因素: Low

分数: 3

百分位: 23.71

CVSS v2

风险因素: Medium

基本分数: 6.6

时间分数: 5.6

矢量: CVSS2#AV:L/AC:L/Au:N/C:N/I:C/A:C

CVSS 分数来源: CVE-2022-49440

CVSS v3

风险因素: Medium

基本分数: 5.5

时间分数: 5.1

矢量: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

时间矢量: CVSS:3.0/E:U/RL:U/RC:C

漏洞信息

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

必需的 KB 项: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

易利用性: No known exploits are available

漏洞发布日期: 2025/2/26

参考资料信息

CVE: CVE-2022-49440