Synopsis
The remote SUSE host is missing one or more security updates.
Description
This update for xen fixes the following issues :
Security vulnerabilities fixed :
CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB flushing with AMD IOMMUs, which potentially allowed a guest to escalate its privileges, may cause a Denial of Service (DoS) affecting the entire host, or may be able to access data it is not supposed to access. (XSA-275) (bsc#1115040)
CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case non-canonical addresses are accessed, which may allow a guest to cause Xen to crash, resulting in a Denial of Service (DoS) affecting the entire host. (XSA-279) (bsc#1115045)
CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which conflicted with shadow paging and allowed a guest to cause Xen to crash, resulting in a Denial of Service (DoS) (XSA-280) (bsc#1115047)
CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the host, resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988)
CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in various Bluetooth functions, allowing this to crash qemu process resulting in Denial of Service (DoS). (bsc#1117756).
CVE-2018-18849: Fixed an out of bounds memory access in the LSI53C895A SCSI host bus adapter emulation, which allowed a user and/or process to crash the qemu process resulting in a Denial of Service (DoS).
(bsc#1114423)
Fixed an integer overflow in ccid_card_vscard_read(), which allowed for memory corruption. (bsc#1112188)
CVE-2017-13672: Fixed an out of bounds read access during display update (bsc#1056336)
CVE-2018-17958: Fixed an integer overflow leading to a buffer overflow in the rtl8139 component (bsc#1111007)
CVE-2018-17962: Fixed an integer overflow leading to a buffer overflow in the pcnet component (bsc#1111011)
CVE-2018-17963: Fixed an integer overflow in relation to large packet sizes, leading to a denial of service (DoS). (bsc#1111014)
CVE-2018-10839: Fixed an integer overflow leading to a buffer overflow in the ne2000 component (bsc#1110924)
Other bugs fixed: Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)
Upstream bug fixes (bsc#1027519)
Fixed crashing VMs when migrating between dom0 hosts (bsc#1031382)
Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528)
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 11-SP4:zypper in -t patch sdksp4-xen-13921=1
SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-xen-13921=1
SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-xen-13921=1