[USN-1719-1] Linux kernel (Oneiric backport) vulnerabilities

Severity Medium

CVEs 3

Several security issues were fixed in the kernel.

It was discovered that hypervkvpd, which is distributed in the Linux
kernel, was not correctly validating the origin on Netlink messages. An
untrusted local user can cause a denial of service of Linux guests in
Hyper-V virtualization environments. (CVE-2012-2669)

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)

Andrew Cooper of Citrix reported a Xen stack corruption in the Linux
kernel. An unprivileged user in a 32bit PVOPS guest can cause the guest
kernel to crash, or operate erroneously. (CVE-2013-0190)

ID

USN-1719-1

Severity

medium

Severity from

CVE-2013-0190

URL

https://ubuntu.com/security/notices/USN-1719-1

Published