Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2019:13921-1
Rating: important
References: #1027519 #1031382 #1056336 #1105528 #1108940 #1110924 #1111007 #1111011 #1111014 #1112188 #1114423 #1114988 #1115040 #1115045 #1115047 #1117756
Cross-References: CVE-2017-13672 CVE-2018-10839 CVE-2018-17958 CVE-2018-17962 CVE-2018-17963 CVE-2018-18438 CVE-2018-18849 CVE-2018-19665 CVE-2018-19961 CVE-2018-19962 CVE-2018-19965 CVE-2018-19966 CVE-2018-19967
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 11-SP4
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP4

An update that solves 13 vulnerabilities and has three fixes is now available.

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)

Patch Instructions:

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

Package List:

  • SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64):
    • xen-devel-4.4.4_38-61.40.1
  • SUSE Linux Enterprise Server 11-SP4 (i586 x86_64):
    • xen-kmp-default-4.4.4_38_3.0.101_108.84-61.40.1
    • xen-libs-4.4.4_38-61.40.1
    • xen-tools-domU-4.4.4_38-61.40.1
  • SUSE Linux Enterprise Server 11-SP4 (x86_64):
    • xen-4.4.4_38-61.40.1
    • xen-doc-html-4.4.4_38-61.40.1
    • xen-libs-32bit-4.4.4_38-61.40.1
    • xen-tools-4.4.4_38-61.40.1
  • SUSE Linux Enterprise Server 11-SP4 (i586):
    • xen-kmp-pae-4.4.4_38_3.0.101_108.84-61.40.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):
    • xen-debuginfo-4.4.4_38-61.40.1
    • xen-debugsource-4.4.4_38-61.40.1

References: