SUSE CVE-2024-56547

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...

CVE-2024-56547

In CVE-2024-56547, the Linux kernel’s RCU no-coalescing (nocb) path has a missed barrier on deoffloading, which can trigger a WARN and, in certain racing scenarios, deadlock when rcu_barrier() is invoked on offline CPUs. The vulnerability arises during offline/offloading interactions where multip...

CVE-2024-56547 rcu/nocb: Fix missed RCU barrier on deoffloading

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix missed RCU barrier on deoffloading Currently, running rcutorture test with torturetype=rcu fwdprogress=8 nbarriercbs=8 nocbsnthreads=8 nocbstoggle=100 onoffinterval=60 testboost=2, will trigger the following warning...