CVE-2022-3303

A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead to a NULL pointer dereference while handling the SNDCTL_DSP_SYNC ioctl. A privileged local user (root or member of the audio group) could use this flaw to crash the system, resulting in a denial of service condition

A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead to a NULL pointer dereference while handling the SNDCTL_DSP_SYNC ioctl. A privileged local user (root or member of the audio group) could use this flaw to crash the system, resulting in a denial of service condition

Se ha encontrado un fallo de condición de carrera en el subsistema de sonido del kernel de Linux debido a un bloqueo inapropiado. Podría conllevar a una desreferencia de puntero NULL mientras es manejado el ioctl SNDCTL_DSP_SYNC. Un usuario local privilegiado (root o miembro del grupo de audio) podría usar este fallo para bloquear el sistema, resultando en una situación de denegación de servicio