CVE-2022-40307

Se ha detectado un problema en el kernel de Linux versiones hasta 5.19.8. El archivo drivers/firmware/efi/capsule-loader.c presenta una condición de carrera con un uso de memoria previamente liberada resultante

It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the TCINDEX classifier has been removed. Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.