Test ID:	1.3.6.1.4.1.25623.1.0.843010
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-3169-2)
Summary:	The remote host is missing an update for the 'linux-lts-xenial' package(s) announced via the USN-3169-2 advisory.
Description:	Summary: The remote host is missing an update for the 'linux-lts-xenial' package(s) announced via the USN-3169-2 advisory. Vulnerability Insight: USN-3169-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not properly initialize the Code Segment (CS) in certain error cases. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2016-9756) Andrey Konovalov discovered that signed integer overflows existed in the setsockopt() system call when handling the SO_SNDBUFFORCE and SO_RCVBUFFORCE options. A local attacker with the CAP_NET_ADMIN capability could use this to cause a denial of service (system crash or memory corruption). (CVE-2016-9793) Baozeng Ding discovered a race condition that could lead to a use-after- free in the Advanced Linux Sound Architecture (ALSA) subsystem of the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-9794) Affected Software/OS: 'linux-lts-xenial' package(s) on Ubuntu 14.04. Solution: Please install the updated package(s). CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-9756 94615 http://www.securityfocus.com/bid/94615 [oss-security] 20161201 CVE request: Kernel: kvm: stack memory information leakage http://www.openwall.com/lists/oss-security/2016/12/01/1 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 https://bugzilla.redhat.com/show_bug.cgi?id=1400468 https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c openSUSE-SU-2017:0002 http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html Common Vulnerability Exposure (CVE) ID: CVE-2016-9793 BugTraq ID: 94655 http://www.securityfocus.com/bid/94655 https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793 http://www.openwall.com/lists/oss-security/2016/12/03/1 RedHat Security Advisories: RHSA-2017:0931 https://access.redhat.com/errata/RHSA-2017:0931 RedHat Security Advisories: RHSA-2017:0932 https://access.redhat.com/errata/RHSA-2017:0932 RedHat Security Advisories: RHSA-2017:0933 https://access.redhat.com/errata/RHSA-2017:0933 http://www.securitytracker.com/id/1037968 Common Vulnerability Exposure (CVE) ID: CVE-2016-9794 BugTraq ID: 94654 http://www.securityfocus.com/bid/94654 http://www.openwall.com/lists/oss-security/2016/12/03/2 RedHat Security Advisories: RHSA-2016:2574 http://rhn.redhat.com/errata/RHSA-2016-2574.html SuSE Security Announcement: SUSE-SU-2016:3146 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html SuSE Security Announcement: SUSE-SU-2016:3188 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html SuSE Security Announcement: SUSE-SU-2016:3203 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html SuSE Security Announcement: SUSE-SU-2016:3217 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html SuSE Security Announcement: SUSE-SU-2016:3248 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html SuSE Security Announcement: SUSE-SU-2016:3252 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html SuSE Security Announcement: openSUSE-SU-2016:3118 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html
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