CVE-2026-23159 perf: sched: Fix perf crash with new is_user_task() helper

In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new isusertask helper In order to do a user space stacktrace the current task needs to be a user task that has executed in user space. It use to be possible to test if a task is a user task or not...

PT-2026-8154

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the perf subsystem related to user space stack tracing. A race condition can occur when a task is exiting, leading to a NULL pointer dereference if pe...

UBUNTU-CVE-2024-56709

In the Linux kernel, the following vulnerability has been resolved: iouring: check if iowq is killed before queuing task work can be executed after the task has gone through iouring termination, whether it's the final taskwork run or the fallback path. In this case, task work will find -iowq bein...