CVE-2026-31787

XSA-487 / CVE-2026-31787 LinuxカーネルのXenprivcmdドライバにおける二重解放 LinuxカーネルのXen privcmdドライバにおけるカーネルメモリの二重解放により、カーネルのロックダウン（セキュアブート）を回避できます。この脆弱性の悪用にはrootレベルのアクセスが必要であり、広範なセキュリティへの影響は限定的です。...

Exploit for Double Free in Linux Linux_Kernel

XSA-487 / CVE-2026-31787 Linux kernel double free in Xen pr...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the VMA segmentation in the xen privcmd driver, leading to double deallocation and potentially...

CVE-2026-31788

A flaw was found in the Linux kernel's Xen privcmd driver. This vulnerability allows a root user process within an unprivileged guest domU to issue arbitrary hypercalls. Such an action could enable the process to modify the kernel's memory, thereby undermining the secure boot feature designed to...