CVE-2024-0775

Se encontró una falla de use-after-free en __ext4_remount en fs/ext4/super.c en ext4 en el kernel de Linux. Esta falla permite que un usuario local cause un problema de fuga de información mientras libera los nombres de archivos de cuota antiguos antes de una posible falla, lo que lleva a un use-after-free.

It was discovered that the Layer 2 Tunneling Protocol implementation in the Linux kernel contained a race condition when releasing PPPoL2TP sockets in certain 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. It was discovered that the ext4 file system implementation in the Linux kernel did not properly handle block device modification while it is mounted. A privileged attacker could use this to cause a denial of service or possibly expose sensitive information.