SUSE Security Update: Security update for xen ______________________________________________________________________________
Announcement ID: SUSE-SU-2017:2812-1 Rating: important References: #1059777 #1061076 #1061080 #1061081 #1061082 #1061084 #1061086 #1061087 Cross-References: CVE-2017-15588 CVE-2017-15589 CVE-2017-15590 CVE-2017-15592 CVE-2017-15593 CVE-2017-15594 CVE-2017-15595 CVE-2017-5526 Affected Products: SUSE Linux Enterprise Server 11-SP3-LTSS SUSE Linux Enterprise Point of Sale 11-SP3 SUSE Linux Enterprise Debuginfo 11-SP3 ______________________________________________________________________________
An update that fixes 8 vulnerabilities is now available.
Description:
This update for xen fixes several issues:
These security issues were fixed:
- CVE-2017-5526: The ES1370 audio device emulation support was vulnerable to a memory leakage issue allowing a privileged user inside the guest to cause a DoS and/or potentially crash the Qemu process on the host (bsc#1059777) - CVE-2017-15593: Missing cleanup in the page type system allowed a malicious or buggy PV guest to cause DoS (XSA-242 bsc#1061084) - CVE-2017-15592: A problem in the shadow pagetable code allowed a malicious or buggy HVM guest to cause DoS or cause hypervisor memory corruption potentially allowing the guest to escalate its privilege (XSA-243 bsc#1061086) - CVE-2017-15594: Problematic handling of the selector fields in the Interrupt Descriptor Table (IDT) allowed a malicious or buggy x86 PV guest to escalate its privileges or cause DoS (XSA-244 bsc#1061087) - CVE-2017-15589: Intercepted I/O write operations with less than a full machine word's worth of data were not properly handled, which allowed a malicious unprivileged x86 HVM guest to obtain sensitive information from the host or other guests (XSA-239 bsc#1061080) - CVE-2017-15595: In certain configurations of linear page tables a stack overflow might have occured that allowed a malicious or buggy PV guest to cause DoS and potentially privilege escalation and information leaks (XSA-240 bsc#1061081) - CVE-2017-15588: Under certain conditions x86 PV guests could have caused the hypervisor to miss a necessary TLB flush for a page. This allowed a malicious x86 PV guest to access all of system memory, allowing for privilege escalation, DoS, and information leaks (XSA-241 bsc#1061082) - CVE-2017-15590: Multiple issues existed with the setup of PCI MSI interrupts that allowed a malicious or buggy guest to cause DoS and potentially privilege escalation and information leaks (XSA-237 bsc#1061076)
Patch Instructions:
To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Server 11-SP3-LTSS:
zypper in -t patch slessp3-xen-13320=1
- SUSE Linux Enterprise Point of Sale 11-SP3:
zypper in -t patch sleposp3-xen-13320=1
- SUSE Linux Enterprise Debuginfo 11-SP3:
zypper in -t patch dbgsp3-xen-13320=1
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE Linux Enterprise Server 11-SP3-LTSS (i586 x86_64):
xen-kmp-default-4.2.5_21_3.0.101_0.47.106.5-45.11.1 xen-libs-4.2.5_21-45.11.1 xen-tools-domU-4.2.5_21-45.11.1
- SUSE Linux Enterprise Server 11-SP3-LTSS (x86_64):
xen-4.2.5_21-45.11.1 xen-doc-html-4.2.5_21-45.11.1 xen-doc-pdf-4.2.5_21-45.11.1 xen-libs-32bit-4.2.5_21-45.11.1 xen-tools-4.2.5_21-45.11.1
- SUSE Linux Enterprise Server 11-SP3-LTSS (i586):
xen-kmp-pae-4.2.5_21_3.0.101_0.47.106.5-45.11.1
- SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
xen-kmp-default-4.2.5_21_3.0.101_0.47.106.5-45.11.1 xen-kmp-pae-4.2.5_21_3.0.101_0.47.106.5-45.11.1 xen-libs-4.2.5_21-45.11.1 xen-tools-domU-4.2.5_21-45.11.1
- SUSE Linux Enterprise Debuginfo 11-SP3 (i586 x86_64):
xen-debuginfo-4.2.5_21-45.11.1 xen-debugsource-4.2.5_21-45.11.1
References:
https://www.suse.com/security/cve/CVE-2017-15588.html https://www.suse.com/security/cve/CVE-2017-15589.html https://www.suse.com/security/cve/CVE-2017-15590.html https://www.suse.com/security/cve/CVE-2017-15592.html https://www.suse.com/security/cve/CVE-2017-15593.html https://www.suse.com/security/cve/CVE-2017-15594.html https://www.suse.com/security/cve/CVE-2017-15595.html https://www.suse.com/security/cve/CVE-2017-5526.html https://bugzilla.suse.com/1059777 https://bugzilla.suse.com/1061076 https://bugzilla.suse.com/1061080 https://bugzilla.suse.com/1061081 https://bugzilla.suse.com/1061082 https://bugzilla.suse.com/1061084 https://bugzilla.suse.com/1061086 https://bugzilla.suse.com/1061087