Astra Linux – Vulnerability in Linux 5.10, Linux

The mm/mremap.c file in the Linux kernel before version 5.13.3 contains a use-after-free issue due to a stale Translation Look-And-Reduce TLB table, as the rmap lock is not held during a PUD move...

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 competition between the splitting of PUD entries and the concurrent reassembly process in the...

PT-2026-34361

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix race between concurrent split and refault The splitting of a PUD entry in walk pud range can race with a concurrent thread refaulting the PUD leaf entry causing it to try walking a PMD range that has disappeared...

Linux Stale TLB Use-After-Free

Linux stable versions 5.4 and 5.10 suffer from a page use-after-free condition via a stale TLB entry caused by rmap lock not being held during PUD move...

UBUNTU-CVE-2022-41222

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability existed prior to Linux kernel version 5.13.3, which stemmed from not holding an rmap lock during a PUD move, resulting in a post-release reuse...

The vulnerability of the shmget() function in the Linux operating system allows a hacker to gain access to confidential data and compromise its integrity.

The vulnerability of the shmget function in the Linux operating system’s kernel is related to the double mapping of memory regions, which are aligned according to PUD. Exploiting this vulnerability can allow an attacker to gain access to confidential data and compromise its integrity...