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[SUSE-SU-2018:4300-1] Security update for xen

Severity Important
CVEs 9
Info References Vulnerabilities

Security update for xen

This update for xen fixes the following issues:

Update to Xen 4.10.2 bug fix release (bsc#1027519).

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-2018-18883: Fixed an issue related to inproper restriction of nested VT-x, which allowed a guest to cause Xen to crash, resulting in a Denial of Service (DoS). (XSA-278) (bsc#1114405)
  • CVE-2018-15468: Fixed incorrect MSR_DEBUGCTL handling, which allowed guests to enable Branch Trace Store and may cause a Denial of Service (DoS) of the entire host. (XSA-269) (bsc#1103276)
  • CVE-2018-15469: Fixed use of v2 grant tables on ARM, which were not properly implemented and may cause a Denial of Service (DoS). (XSA-268) (bsc#1103275)
  • CVE-2018-15470: Fixed an issue in the logic in oxenstored for handling writes, which allowed a guest to write memory unbounded leading to system-wide Denial of Service (DoS). (XSA-272) (bsc#1103279)
  • CVE-2018-3646: Mitigations for VMM aspects of L1 Terminal Fault (XSA-273) (bsc#1091107)

Other bugs fixed:

  • Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)
  • Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528)
  • Fixed a kernel oops related to fs/dcache.c called by d_materialise_unique() (bsc#1094508)
ID
SUSE-SU-2018:4300-1
Severity
important
URL
https://www.suse.com/support/update/announcement/2018/suse-su-20184300-1/
Published
2018-12-28T17:38:50
(5 years ago)
Modified
2018-12-28T17:38:50
(5 years ago)
Rights
Copyright 2024 SUSE LLC. All rights reserved.
Other Advisories
Source # ID Name URL
Suse SUSE ratings https://www.suse.com/support/security/rating/
Suse URL of this CSAF notice https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_4300-1.json
Suse URL for SUSE-SU-2018:4300-1 https://www.suse.com/support/update/announcement/2018/suse-su-20184300-1/
Suse E-Mail link for SUSE-SU-2018:4300-1 https://lists.suse.com/pipermail/sle-security-updates/2018-December/005008.html
Bugzilla SUSE Bug 1027519 https://bugzilla.suse.com/1027519
Bugzilla SUSE Bug 1078292 https://bugzilla.suse.com/1078292
Bugzilla SUSE Bug 1091107 https://bugzilla.suse.com/1091107
Bugzilla SUSE Bug 1094508 https://bugzilla.suse.com/1094508
Bugzilla SUSE Bug 1103275 https://bugzilla.suse.com/1103275
Bugzilla SUSE Bug 1103276 https://bugzilla.suse.com/1103276
Bugzilla SUSE Bug 1103279 https://bugzilla.suse.com/1103279
Bugzilla SUSE Bug 1105528 https://bugzilla.suse.com/1105528
Bugzilla SUSE Bug 1108940 https://bugzilla.suse.com/1108940
Bugzilla SUSE Bug 1114405 https://bugzilla.suse.com/1114405
Bugzilla SUSE Bug 1115040 https://bugzilla.suse.com/1115040
Bugzilla SUSE Bug 1115045 https://bugzilla.suse.com/1115045
Bugzilla SUSE Bug 1115047 https://bugzilla.suse.com/1115047
CVE SUSE CVE CVE-2018-15468 page https://www.suse.com/security/cve/CVE-2018-15468/
CVE SUSE CVE CVE-2018-15469 page https://www.suse.com/security/cve/CVE-2018-15469/
CVE SUSE CVE CVE-2018-15470 page https://www.suse.com/security/cve/CVE-2018-15470/
CVE SUSE CVE CVE-2018-18883 page https://www.suse.com/security/cve/CVE-2018-18883/
CVE SUSE CVE CVE-2018-19961 page https://www.suse.com/security/cve/CVE-2018-19961/
CVE SUSE CVE CVE-2018-19962 page https://www.suse.com/security/cve/CVE-2018-19962/
CVE SUSE CVE CVE-2018-19965 page https://www.suse.com/security/cve/CVE-2018-19965/
CVE SUSE CVE CVE-2018-19966 page https://www.suse.com/security/cve/CVE-2018-19966/
CVE SUSE CVE CVE-2018-3646 page https://www.suse.com/security/cve/CVE-2018-3646/
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date