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 kmallocnolock function not properly checking the context within the PREEMPTRT kernel. This ma...

kernel: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent Commit 0c80f9e165f8 "ACPI: PPTT: Leave the table mapped for the runtime usage" enabled to map PPTT once on the first invocation of acpigetpptt and never...