CVE-2023-53440

CVE-2023-53440 concerns the nilfs2 sysfs interface lifetime in the Linux kernel. Multiple connected advisories confirm a race in sysfs entry creation/deletion for per-filesystem metadata files (cpfile, sufile, dat), where attributes may be accessed outside the intended lifetime, risking inode NUL...

kernel: rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()

A locking violation was found in the Linux kernel RCU-tasks subsystem's callback list initialization. During system boot, the initialization code calls prinfo while holding the rtp-cbsgbllock spinlock, causing a potentially sleeping function to be called in atomic context, which results in kernel...