CVE-2026-31787

XSA-487 / CVE-2026-31787 Двойное освобождение памяти в драйвере Xen privcmd ядра Linux Двойное освобождение памяти ядра в драйвере privcmd Xen ядра Linux позволяет обойти блокировку ядра secure boot. Для эксплуатации требуется доступ уровня root, что ограничивает более широкие последствия для...

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...