USN-1726-1 : linux-ti-omap4 vulnerabilities

Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

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)

Florian Weimer discovered that hypervkvpd, which is distributed in
the Linux kernel, was not correctly validating source addresses of
netlink packets. An untrusted local user can cause a denial of
service by causing hypervkvpd to exit. (CVE-2012-5532)

See also :

http://www.ubuntu.com/usn/usn-1726-1/

Solution :

Update the affected package(s).

Risk factor :

Medium / CVSS Base Score : 4.9
(CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 64641 ()

Bugtraq ID:

CVE ID: CVE-2012-2669
CVE-2012-4508
CVE-2012-5532