(RHSA-2017:2299) Moderate: NetworkManager and libnl3 security, bug fix and enhancement update

NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.

The libnl3 packages contain a convenience library that simplifies using the Linux kernel’s Netlink sockets interface for network manipulation.

The following packages have been upgraded to a later upstream version: NetworkManager (1.8.0), network-manager-applet (1.8.0). (BZ#1413312, BZ#1414103, BZ#1441621)

Security Fix(es) in the libnl3 component:

• An integer overflow leading to a heap-buffer overflow was found in the libnl library. An attacker could use this flaw to cause an application compiled with libnl to crash or possibly execute arbitrary code in the context of the user running such an application. (CVE-2017-0553)

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the References section.