The vulnerability of the __set_fixmap() function in the arch/powerpc/include/asm/book3s/64/pgtable.h file allows a hacker to trigger a service failure on the PowerPC platform of the Linux operating system.

The vulnerability of the setfixmap function in the arch/powerpc/include/asm/book3s/64/pgtable.h file, which is part of the PowerPC platform support for the Linux operating system, is related to incorrect input validation. Exploiting this vulnerability could allow an attacker to cause a service...