Linux kernel vulnerability

2012-12-19T00:00:00
ID USN-1671-1
Type ubuntu
Reporter Ubuntu
Modified 2012-12-19T00:00:00

Description

Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem that can expose stale data. An unprivileged user could exploit this flaw to cause an information leak. (CVE-2012-4508)

A flaw was discovered in the Linux kernel’s handling of new hot-plugged memory. An unprivileged local user could exploit this flaw to cause a denial of service by crashing the system. (CVE-2012-5517)

An information leak was discovered in the Linux kernel’s /dev/dvb device. A local user could exploit this flaw to obtain sensitive information from the kernel’s stack memory. (CVE-2013-1928)