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。

  - 已修复 Linux 内核中的下列漏洞：seg6: separate dst_cache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dst_cache per encap route, shared between seg6_input_core() and seg6_output_core(). These two paths can perform the post-encap SID lookup in different routing contexts (e.g., ip rules matching on the ingress interface, or VRF table separation).
    Whichever path runs first populates the cache, and the other reuses it blindly, bypassing its own lookup.
    Fix this by splitting the cache into cache_input and cache_output, so each path maintains its own cached dst independently. (CVE-2026-31668)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2026-31668

critical Nessus 插件 ID 310506

版本 1.33