CVE-2023-53440

In CVE-2023-53440, the Linux kernel nilfs2 sysfs interface had lifetime timing issues that could lead to inode NULL pointer dereferences or use-after-free, and lockdep warnings. Specifically, nilfs_sysfs_create_device_group creates sysfs attributes for per-filesystem metadata (cpfile, sufile, dat...

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...