Researchers have discovered several critical vulnerabilities in the Linux kernel: A buffer overflow in the virtio network backend of the Linux kernel that can be exploited to cause a denial of service or execute code on the host OS. CVE-2019-14835 The Linux kernel running on PowerPC architecture does not properly handle Facility Unavailable exceptions in certain situations. This vulnerability can be exploited by a local attacker to disclose sensitive information. CVE-2019-15030 The Linux kernel running on PowerPC architecture improperly handles exceptions during interrupts in certain situations. This vulnerability can also be exploited to disclose sensitive information. CVE-2019-15031 A security update has already been released. It affects users of Ubuntu 19.04, Ubuntu 18.04 LTS, and Ubuntu 16.04 LTS.Source: linux.org.ru
