CVE-2022-3621

Se ha encontrado una vulnerabilidad en el Kernel de Linux. Ha clasificada como problemática. La función afectada es nilfs_bmap_lookup_at_level del archivo fs/nilfs2/inode.c del componente nilfs2. La manipulación conlleva una desreferencia del puntero null. Es posible lanzar el ataque de forma remota. Es recomendado aplicar un parche para corregir este problema. El identificador de esta vulnerabilidad es VDB-211920

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the video4linux driver for Empia based TV cards in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.