CVE-2024-23850

En btrfs_get_root_ref en fs/btrfs/disk-io.c en el kernel de Linux hasta 6.7.1, puede haber una falla de aserción y un bloqueo porque un subvolumen se puede leer demasiado pronto después de que se inserta su elemento raíz durante la creación del subvolumen.

Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use this to cause a denial of service or possibly expose sensitive information. Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel, leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code.