CVE-2026-23138

In the Linux kernel, the following vulnerability has been resolved: tracing: Add recursion protection in kernel stack trace recording A bug was reported about an infinite recursion caused by tracing the rcu events with the kernel stack trace trigger enabled. The stack trace code called back into...

EUVD-2023-60137

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...

kernel: s390/idle: mark arch_cpu_idle() noinstr

A kernel warning vulnerability was found in the s390 architecture idle handling in the Linux kernel. The archcpuidle function was not marked as noinstr no instrumentation, causing RCU and tracing warnings when ftrace is enabled. This can trigger kernel warnings and potential issues with tracing i...