Oracle Linux 5 : udev (ELSA-2009-0427)

This script is Copyright (C) 2013-2016 Tenable Network Security, Inc.

Synopsis :

The remote Oracle Linux host is missing one or more security updates.

Description :

From Red Hat Security Advisory 2009:0427 :

Updated udev packages that fix one security issue are now available
for Red Hat Enterprise Linux 5.

This update has been rated as having important security impact by the
Red Hat Security Response Team.

udev provides a user-space API and implements a dynamic device
directory, providing only the devices present on the system. udev
replaces devfs in order to provide greater hot plug functionality.
Netlink is a datagram oriented service, used to transfer information
between kernel modules and user-space processes.

It was discovered that udev did not properly check the origin of
Netlink messages. A local attacker could use this flaw to gain root
privileges via a crafted Netlink message sent to udev, causing it to
create a world-writable block device file for an existing system block
device (for example, the root file system). (CVE-2009-1185)

Red Hat would like to thank Sebastian Krahmer of the SUSE Security
Team for responsibly reporting this flaw.

Users of udev are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
update, the udevd daemon will be restarted automatically.

See also :

Solution :

Update the affected udev packages.

Risk factor :

High / CVSS Base Score : 7.2
CVSS Temporal Score : 5.6
Public Exploit Available : true

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 67842 ()

Bugtraq ID: 34536

CVE ID: CVE-2009-1185

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