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 ksmbd releasing the oplockinfo immediately during critical sections like opinfoget and...

CVE-2025-21889

CVE-2025-21889 (Linux kernel) : The vulnerability resides in the perf subsystem where perf_iterate_ctx() traverses an RCU list without acquiring the RCU read lock, triggering lockdep warnings (and potential misuse) when perf probe runs with unshare(1) under CONFIG_PROVE_RCU_LIST=y. The issue has ...