The vulnerability of the arch/powerpc/perf/core-book3s.c component of the Linux operating system, related to pointer dereferencing errors, allows an attacker to trigger a service failure.

The vulnerability of the arch/powerpc/perf/core-book3s.c component of the Linux operating system is related to pointer dereferencing errors. Exploiting this vulnerability could allow an attacker to trigger a service failure using the perf record command...

CVE-2021-38200: NULL Pointer Dereference

arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13, on systems with perfeventparanoid=-1 and no specific PMU driver support registered, allows local users to cause a denial of service perfinstructionpointer NULL pointer dereference and OOPS via a "perf record" command...