SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:1456-1) (Spectre)
high Nessus Plugin ID 110222
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New! Plugin Severity Now Using CVSS v3
The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for xen fixes the following issues: Security issues fixed :- CVE-2018-3639: Spectre V4 – Speculative Store Bypass aka 'Memory Disambiguation' (bsc#1092631) This feature can be controlled by the 'ssbd=on/off' commandline flag for the XEN hypervisor.
- CVE-2018-10982: x86 vHPET interrupt injection errors (XSA-261 bsc#1090822)
- CVE-2018-10981: qemu may drive Xen into unbounded loop (XSA-262 bsc#1090823) Other bugfixes :
- Upstream patches from Jan (bsc#1027519)
- additional fixes related to Page Table Isolation (XPTI).
(bsc#1074562 XSA-254)
- qemu-system-i386 cannot handle more than 4 HW NICs (bsc#1090296)
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-996=1
SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-996=1
SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-996=1
SUSE CaaS Platform ALL :
To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1027519
https://bugzilla.suse.com/show_bug.cgi?id=1074562
https://bugzilla.suse.com/show_bug.cgi?id=1090296
https://bugzilla.suse.com/show_bug.cgi?id=1090822
https://bugzilla.suse.com/show_bug.cgi?id=1090823
https://bugzilla.suse.com/show_bug.cgi?id=1092631
https://www.suse.com/security/cve/CVE-2018-10981/
https://www.suse.com/security/cve/CVE-2018-10982/
Plugin Details
Severity: High
ID: 110222
File Name: suse_SU-2018-1456-1.nasl
Version: 1.6
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 5/30/2018
Updated: 9/10/2019
Dependencies: ssh_get_info.nasl
Risk Information
VPR
Risk Factor: High
Score: 7.2
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:POC/RL:OF/RC:C
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.9
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-debugsource, p-cpe:/a:novell:suse_linux:xen-doc-html, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-libs-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools-domU, p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo, cpe:/o:novell:suse_linux:12
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/28/2018
Vulnerability Publication Date: 5/10/2018