Linux Distros 未修补的漏洞: CVE-2021-46195
medium Nessus 插件 ID 229779
语言：
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。- 在 GCC v12.0 中，通过 libiberty/rust-demangle.c 组件可引致不受控制的递归。
此漏洞让攻击者可以通过大量占用 CPU 和内存资源来造成拒绝服务 (DoS)。(CVE-2021-46195)
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://access.redhat.com/security/cve/cve-2021-46195
插件详情
严重性: Medium
ID: 229779
文件名: unpatched_CVE_2021_46195.nasl
版本: 1.6
类型: local
代理: unix
系列: Misc.
发布时间: 2025/3/5
最近更新时间: 2025/10/27
支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
风险信息
VPR
风险因素: Medium
分数: 4.4
CVSS v2
风险因素: Medium
基本分数: 4.3
时间分数: 3.9
矢量: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS 分数来源: CVE-2021-46195
CVSS v3
风险因素: Medium
基本分数: 5.5
时间分数: 5.2
矢量: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
时间矢量: CVSS:3.0/E:P/RL:U/RC:C
漏洞信息
CPE: p-cpe:/a:centos:centos:gcc-toolset-11-gcc-gfortran, cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:gcc-toolset-11-libstdc%2b%2b-docs, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libitm-devel, p-cpe:/a:centos:centos:gcc-toolset-11-libatomic-devel, p-cpe:/a:centos:centos:gcc-toolset-11-libgccjit, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-gcc, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libgccjit-docs, p-cpe:/a:centos:centos:gcc-toolset-11-libitm-devel, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:centos:centos:gcc-toolset-11-libtsan-devel, p-cpe:/a:centos:centos:gcc-toolset-11-libasan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libatomic-devel, p-cpe:/a:centos:centos:gcc-toolset-11-libgccjit-docs, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libubsan-devel, cpe:/o:centos:centos:8, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-gcc-gfortran, p-cpe:/a:centos:centos:gcc-toolset-11-gcc-c%2b%2b, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-gcc-plugin-devel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libstdc%2b%2b-docs, p-cpe:/a:canonical:ubuntu_linux:gcc-11, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-gcc-gdb-plugin, p-cpe:/a:centos:centos:gcc-toolset-11-gcc-gdb-plugin, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-gcc-c%2b%2b, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libstdc%2b%2b-devel, p-cpe:/a:debian:debian_linux:binutils, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-liblsan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libgccjit, cpe:/o:canonical:ubuntu_linux:25.04, p-cpe:/a:centos:centos:gcc-toolset-11-gcc, p-cpe:/a:centos:centos:gcc-toolset-11-libstdc%2b%2b-devel, p-cpe:/a:centos:centos:gcc-toolset-11-liblsan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libtsan-devel, p-cpe:/a:centos:centos:gcc-toolset-11-libubsan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libgccjit-devel, p-cpe:/a:centos:centos:gcc-toolset-11-gcc-plugin-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libquadmath-devel, p-cpe:/a:centos:centos:gcc-toolset-11-libgccjit-devel, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:centos:centos:gcc-toolset-11-libquadmath-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-11-libasan-devel
必需的 KB 项: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier
可利用: true
易利用性: Exploits are available
漏洞发布日期: 2022/1/14
参考资料信息
CVE: CVE-2021-46195