CVE-2018-10879

Se ha detectado una vulnerabilidad en el sistema de archivos ext4 del kernel de Linux. Un usuario local puede provocar un uso de memoria previamente liberada en la función ext4_xattr_set_entry y puede ocurrir una denegación de servicio (DoS) u otro impacto no especificado renombrando una imagen del sistema de archivos ext4 manipulado.

It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.