Test ID:	1.3.6.1.4.1.25623.1.0.71215
Category:	Red Hat Local Security Checks
Title:	RedHat Security Advisory RHSA-2012:0480
Summary:	NOSUMMARY
Description:	Description: The remote host is missing updates announced in advisory RHSA-2012:0480. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issue: * A flaw in the xfrm6_tunnel_rcv() function in the Linux kernel's IPv6 implementation could lead to a use-after-free or double free flaw in tunnel6_rcv(). A remote attacker could use this flaw to send specially-crafted packets to a target system that is using IPv6 and also has the xfrm6_tunnel kernel module loaded, causing it to crash. (CVE-2012-1583, Important) If you do not run applications that use xfrm6_tunnel, you can prevent the xfrm6_tunnel module from being loaded by creating (as the root user) a /etc/modprobe.d/xfrm6_tunnel.conf file, and adding the following line to it: blacklist xfrm6_tunnel This way, the xfrm6_tunnel module cannot be loaded accidentally. A reboot is not necessary for this change to take effect. This update also fixes various bugs and adds an enhancement. Documentation for these changes will be available shortly from the Technical Notes document linked to in the References section. Users should upgrade to these updated packages, which contain backported patches to correct this issue, and fix the bugs and add the enhancement noted in the Technical Notes. The system must be rebooted for this update to take effect. Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date http://rhn.redhat.com/errata/RHSA-2012-0480.html Risk factor : High
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2012-1583 1026930 http://www.securitytracker.com/id?1026930 48881 http://secunia.com/advisories/48881 53139 http://www.securityfocus.com/bid/53139 HPSBMU02776 http://marc.info/?l=bugtraq&m=133951357207000&w=2 RHSA-2012:0488 http://rhn.redhat.com/errata/RHSA-2012-0488.html SSRT100852 http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d0772b70faaf8e9f2013b6c4273d94d5eac8047a https://bugzilla.redhat.com/show_bug.cgi?id=752304 https://github.com/torvalds/linux/commit/d0772b70faaf8e9f2013b6c4273d94d5eac8047a
Copyright	Copyright (c) 2012 E-Soft Inc. http://www.securityspace.com

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