CVE-2022-1973

Se encontró un defecto de uso de memoria previamente liberada en el kernel de Linux en la función log_replay en el archivo fs/ntfs3/fslog.c en el diario NTFS. Este fallo permite a un atacante local bloquear el sistema y conlleva a un problema de filtrado de información del kernel

It was discovered that the Atheros ath9k wireless device driver in the Linux kernel did not properly handle some error conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Yongkang Jia discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle guest TLB mapping invalidation requests in some situations. An attacker in a guest VM could use this to cause a denial of service in the host OS.