XCP_ng_CVE-2026-43284_tester

XCP-ng Dirty Frag 诊断工具 — CVE-2026-43284 一个社区诊断工具，用于判断 XCP-ng dom0 主机是否暴露于 CVE-2026-43284 （“Dirty Frag”），这是 Linux 内核 xfrm-ESP 子系统中的一个本地权限提升漏洞。 TL;DR — 所有当前 XCP-ng 版本（8.1、8.2、8.3）运行标准 4.19 dom0 内核的都在受影响代码范围内。截至 2026 年 5 月，官方尚未发布 XCP-ng 补丁。本工具能明确告知您的主机是否暴露，并提供安全的临时缓解措施。 背景 “Dirty Frag”...

kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

AZL-40509 CVE-2024-26953 affecting package hyperv-daemons for versions less than 5.15.158.2-1

In the Linux kernel, the following vulnerability has been resolved: net: esp: fix bad handling of pages from pagepool When the skb is reorganized during espoutput !esp-inline, the pages coming from the original skb fragments are supposed to be released back to the system through putpage. But if t...

ISSalert: ISS Security Advisory: Remote Buffer Overflow Vulnerability in IRIX Embedded Support Partner Infrastructure

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