Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/idle: Marking archcpuidle as having no instructions The linux-next commit “cpuidle: tracing: Warning about !rcuiswatching” adds a new warning that affects the archcpuidle function on the s390 architecture. WARNING: “CPU: 2...

SUSE CVE-2023-53859

In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark archcpuidle noinstr linux-next commit "cpuidle: tracing: Warn about !rcuiswatching" adds a new warning which hits on s390's archcpuidle function: RCU not on for: archcpuidle+0x0/0x28 WARNING: CPU: 2 PID: 0 at...

CVE-2023-53859

CVE-2023-53859 is a Linux kernel issue affecting the s390 idle path where arch_cpu_idle() was not marked noinstr, triggering an RCU-related warning during idle tracing. The affected sequence shows a warning: “RCU not on for: arch_cpu_idle+0x0/0x28” in arch_ftrace_ops_list_func, leading to a trace...

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 the s390 idle not marking archcpuidle as noinstr, which could result in an RCU warning...