The vulnerability of the rtas_os_term() function in the arch/powerpc/kernel/rtas.c module of the PowerPC platform’s Linux operating system allows a hacker to cause a service failure.

The vulnerability of the rtasosterm function in the arch/powerpc/kernel/rtas.c module of the PowerPC platform support for the Linux operating system is related to the improper disabling or release of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2022-50870 powerpc/rtas: avoid device tree lookups in rtas_os_term()

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: avoid device tree lookups in rtasosterm rtasosterm is called during panic. Its behavior depends on a couple of conditions in the /rtas node of the device tree, the traversal of which entails locking and local IRQ...