openSUSE Security Update: Hyper-V: Netlink source address validation allows DoS ______________________________________________________________________________ Announcement ID: openSUSE-SU-2012:1526-1 Rating: moderate References: #761200 Cross-References: CVE-2012-2669 Affected Products: openSUSE 12.2 openSUSE 12.1 ______________________________________________________________________________ An update that fixes one vulnerability is now available. Description: This update fixes the following issues for Hyper-V: The source code without this patch caused hv_kvp_daemon to exit when it processed a spoofed Netlink packet which has been sent from an untrusted local user. Now Netlink messages with a non-zero nl_pid source address are ignored and a warning is printed into the syslog. This fixes the previous change from CVE-2012-2669. Patch Instructions: To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - openSUSE 12.2: zypper in -t patch openSUSE-2012-799 - openSUSE 12.1: zypper in -t patch openSUSE-2012-799 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE 12.2 (i586 x86_64): hyper-v-4-4.8.1 hyper-v-debuginfo-4-4.8.1 hyper-v-debugsource-4-4.8.1 - openSUSE 12.1 (i586 x86_64): hyper-v-4-11.1 hyper-v-debuginfo-4-11.1 hyper-v-debugsource-4-11.1 References: http://support.novell.com/security/cve/CVE-2012-2669.html https://bugzilla.novell.com/761200