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Vigil@nce - Linux kernel: four vulnerabilities of ALSA
February 2016 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
Several vulnerabilities were announced in the Linux kernel.
– Impacted products: Linux.
– Severity: 1/4.
– Creation date: 19/01/2016.
DESCRIPTION OF THE VULNERABILITY
Several vulnerabilities were announced in the Linux kernel.
An attacker can force a NULL pointer to be dereferenced in ALSA
Sequencer Access, in order to trigger a denial of service.
[severity:1/4]
An attacker can force the usage of a freed memory area in
snd_timer_stop, in order to trigger a denial of service, and
possibly to run code. [severity:1/4]
An attacker can trigger a fatal error in ALSA Timer Ioctls, in
order to trigger a denial of service. [severity:1/4]
An attacker can trigger a fatal error in ALSA hrtime, in order to
trigger a denial of service. [severity:1/4]
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Linux-kernel-four-vulnerabilities-of-ALSA-18747
