The vulnerability of the percpu_init_rwsem() function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the percpuinitrwsem function in the Linux operating system is related to the assignment of a null pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2022-50374

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer dereference at hciuartttyclose 1, for rcusyncenter is called without rcusyncinit due to hciuartttyopen ignoring percpuinitrwsem failure...

CVE-2022-50374: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer dereference at hciuartttyclose 1, for rcusyncenter is called without rcusyncinit due to hciuartttyopen ignoring percpuinitrwsem failure...

GSD-2022-1007295 Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure

Bluetooth: hcildisc,serdev: check percpuinitrwsem failure This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.150 by commit...