Ubuntu 20.04 LTS / 21.10：Linux 内核漏洞 (USN-5317-1)

high Nessus 插件 ID 158731

语言：

简介

远程 Ubuntu 主机缺少一个或多个安全更新。

描述

远程 Ubuntu 20.04 LTS / 21.10 主机上安装的程序包受到 USN-5317-1 公告中提及的多个漏洞的影响。

 - 在 Linux 内核的 copy_page_to_iter_pipe 和 push_pipe 函数中发现一个缺陷，其中新管道缓冲区结构的标记成员未经正确初始化，因此可能包含过时值。无权限本地用户可利用此缺陷在只读文件支持的页面缓存中写入页面，并由此升级其在系统上的权限。(CVE-2022-0847)

 - 在某些 Intel(R) 处理器的上下文间不透明地共享分支预测器选择器可能允许授权用户通过本地访问实现信息披露。(CVE-2022-0001)

 - 在某些 Intel(R) 处理器的上下文中不透明地共享分支预测器可能允许授权用户通过本地访问实现信息披露。(CVE-2022-0002)

 - 2022 年 3 月 8 日之前发布的某些 Arm Cortex 和 Neoverse 处理器无法正确限制缓存推测，即 Spectre-BHB。攻击者可利用分支历史记录缓冲区 (BHB) 中的共享分支历史记录来影响预测错误的分支。之后，攻击者便可通过缓存分配来获取敏感信息。(CVE-2022-23960)

 - 由于存在堆越界写入问题，Linux 内核 5.4 版至 5.6.10 版中的 net/netfilter/nf_dup_netdev.c 允许本地用户取得权限。此问题与 nf_tables_offload 有关。(CVE-2022-25636)

请注意，Nessus 尚未测试此问题，而是只依靠应用程序自我报告的版本号来判断。

解决方案

更新受影响的程序包。

另见

https://ubuntu.com/security/notices/USN-5317-1

插件详情

严重性: High

ID: 158731

文件名: ubuntu_USN-5317-1.nasl

版本: 1.11

类型: local

代理: unix

发布时间: 2022/3/9

最近更新时间: 2023/1/17

支持的传感器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

风险信息

VPR

风险因素: Critical

分数: 9.8

CVSS v2

风险因素: High

基本分数: 7.2

时间分数: 6.3

矢量: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS 分数来源: CVE-2022-0847

CVSS v3

风险因素: High

基本分数: 7.8

时间分数: 7.5

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

时间矢量: CVSS:3.0/E:H/RL:O/RC:C

CVSS 分数来源: CVE-2022-25636

漏洞信息

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-aws, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.13-cloud-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.13-headers-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-aws-5.13-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-aws-cloud-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-aws-edge, p-cpe:/a:canonical:ubuntu_linux:linux-aws-headers-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-aws-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-azure, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.13-cloud-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.13-headers-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-azure-5.13-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-azure-cloud-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-azure-edge, p-cpe:/a:canonical:ubuntu_linux:linux-azure-headers-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-azure-tools-5.13.0-1017, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-1016-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-1017-aws, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-1017-azure, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-1019-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-1020-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-1020-raspi-nolpae, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-1021-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-35-generic, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-35-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-35-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.13.0-35-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.14.0-1027-oem, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-5.13.0-1017-aws, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-5.13.0-1017-azure, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-5.13.0-35, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-5.13.0-35-generic, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-common, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-generic, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-generic-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-generic-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-lowlatency-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-lowlatency-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-virtual, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-virtual-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-virtual-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-crashdump, p-cpe:/a:canonical:ubuntu_linux:linux-gc5.13-headers-5.13.0-1019, p-cpe:/a:canonical:ubuntu_linux:linux-gc5.13-tools-5.13.0-1019, p-cpe:/a:canonical:ubuntu_linux:linux-gcedge, p-cpe:/a:canonical:ubuntu_linux:linux-gcheaders-5.13.0-1019, p-cpe:/a:canonical:ubuntu_linux:linux-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-gctools-5.13.0-1019, p-cpe:/a:canonical:ubuntu_linux:linux-generic, p-cpe:/a:canonical:ubuntu_linux:linux-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-generic-64k-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-generic-64k-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-generic-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-generic-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-generic-lpae-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-generic-lpae-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-gke, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-1016-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-1017-aws, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-1017-azure, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-1019-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-1020-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-1020-raspi-nolpae, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-1021-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-35, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-35-generic, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-35-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-35-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-5.13.0-35-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-azure, p-cpe:/a:canonical:ubuntu_linux:linux-cloud-tools-azure-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.14.0-1027-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-virtual, p-cpe:/a:canonical:ubuntu_linux:linux-image-virtual-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-virtual-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-kvm-headers-5.13.0-1016, p-cpe:/a:canonical:ubuntu_linux:linux-kvm-tools-5.13.0-1016, p-cpe:/a:canonical:ubuntu_linux:linux-libc-dev, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-lowlatency-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-1016-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-1017-aws, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-1017-azure, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-1019-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.13.0-35-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.14.0-1027-oem, p-cpe:/a:canonical:ubuntu_linux:linux-headers-aws, p-cpe:/a:canonical:ubuntu_linux:linux-headers-aws-edge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-azure, p-cpe:/a:canonical:ubuntu_linux:linux-headers-azure-edge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-gcedge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-64k-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-64k-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-lpae-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-headers-generic-lpae-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-gke, p-cpe:/a:canonical:ubuntu_linux:linux-headers-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-headers-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-headers-lowlatency-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-headers-lowlatency-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04b, p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04c, p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04d, p-cpe:/a:canonical:ubuntu_linux:linux-headers-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-headers-oracle-edge, p-cpe:/a:canonical:ubuntu_linux:linux-headers-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-headers-raspi-nolpae, p-cpe:/a:canonical:ubuntu_linux:linux-headers-virtual, p-cpe:/a:canonical:ubuntu_linux:linux-headers-virtual-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-headers-virtual-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.13-cloud-tools-5.13.0-35, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.13-cloud-tools-common, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.13-headers-5.13.0-35, p-cpe:/a:canonical:ubuntu_linux:linux-hwe-5.13-source-5.13.0, 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p-cpe:/a:canonical:ubuntu_linux:linux-image-aws-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-azure-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-extra-virtual, p-cpe:/a:canonical:ubuntu_linux:linux-image-extra-virtual-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-extra-virtual-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-gcedge, p-cpe:/a:canonical:ubuntu_linux:linux-image-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-64k-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-64k-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-gke, p-cpe:/a:canonical:ubuntu_linux:linux-image-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04b, p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04c, p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04d, p-cpe:/a:canonical:ubuntu_linux:linux-image-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-oracle-edge, p-cpe:/a:canonical:ubuntu_linux:linux-image-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-image-raspi-nolpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-1016-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-1017-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-1017-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-1019-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-1021-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-35-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-35-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.13.0-35-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-35-generic, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-35-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-35-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-35-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.14.0-1027-oem, p-cpe:/a:canonical:ubuntu_linux:linux-modules-extra-5.13.0-1017-aws, p-cpe:/a:canonical:ubuntu_linux:linux-modules-extra-5.13.0-1017-azure, p-cpe:/a:canonical:ubuntu_linux:linux-modules-extra-5.13.0-1019-gcp, 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p-cpe:/a:canonical:ubuntu_linux:linux-tools-common, p-cpe:/a:canonical:ubuntu_linux:linux-tools-gcedge, p-cpe:/a:canonical:ubuntu_linux:linux-tools-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-64k-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-64k-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-lpae-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-tools-generic-lpae-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-tools-gke, p-cpe:/a:canonical:ubuntu_linux:linux-tools-host, p-cpe:/a:canonical:ubuntu_linux:linux-tools-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-tools-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-tools-lowlatency-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-tools-lowlatency-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04b, p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04c, p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04d, p-cpe:/a:canonical:ubuntu_linux:linux-tools-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-tools-oracle-edge, p-cpe:/a:canonical:ubuntu_linux:linux-tools-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-tools-raspi-nolpae, p-cpe:/a:canonical:ubuntu_linux:linux-tools-virtual, p-cpe:/a:canonical:ubuntu_linux:linux-tools-virtual-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-tools-virtual-hwe-20.04-edge, p-cpe:/a:canonical:ubuntu_linux:linux-virtual, p-cpe:/a:canonical:ubuntu_linux:linux-virtual-hwe-20.04, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-1020-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-1020-raspi-nolpae, p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.13.0-1021-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-virtual-hwe-20.04-edge, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:21.10

必需的 KB 项: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

可利用: true

易利用性: Exploits are available

补丁发布日期: 2022/3/9

漏洞发布日期: 2022/2/24

CISA 已知利用日期: 2022/5/16

可利用的方式

CANVAS (CANVAS)

Core Impact

Metasploit (Dirty Pipe Local Privilege Escalation via CVE-2022-0847)

参考资料信息

CVE: CVE-2022-0001, CVE-2022-0002, CVE-2022-0847, CVE-2022-23960, CVE-2022-25636

USN: 5317-1