CVE-2025-39999 blk-mq: fix blk_mq_tags double free while nr_requests grown

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix blkmqtags double free while nrrequests grown In the case user trigger tags grow by queue sysfs attribute nrrequests, hctx-schedtags will be freed directly and replaced with a new allocated tags, see blkmqtagupdatedept...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a double release of blkmqtags, which could cause the kernel to crash...