CVE-2026-98861 fprobe: Use guard(rcu_sched_notrace) and check rcu_is_watching()

In the Linux kernel, the following vulnerability has been resolved: fprobe: Use guardrcuschednotrace and check rcuiswatching unregisterfprobe and unregisterfprobeasync used by BPF kprobe-multi rely on standard RCU grace periods synchronizercu and callrcu to wait until in-flight fprobe handlers...

PT-2026-117080

In the Linux kernel, the following vulnerability has been resolved: fprobe: Use guardrcu sched notrace and check rcu is watching unregister fprobe and unregister fprobe async used by BPF kprobe-multi rely on standard RCU grace periods synchronize rcu and call rcu to wait until in-flight fprobe...

SUSE CVE-2026-43010

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject sleepable kprobemulti programs at attach time kprobe.multi programs run in atomic/RCU context and cannot sleep. However, bpfkprobemultilinkattach did not validate whether the program being attached had the sleepable...