File _patchinfo of Package patchinfo.7314

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File _patchinfo of Package patchinfo.7314

<patchinfo incident="7314">
  <issue id="1027519" tracker="bnc">Xen: Missing upstream bug fixes</issue>
  <issue id="1089635" tracker="bnc">VUL-0: CVE-2018-10471: xen: x86: PV guest may crash Xen with XPTI (XSA-259)</issue>
  <issue id="1086039" tracker="bnc">Dom0 does not represent DomU cpu flags</issue>
  <issue id="1090820" tracker="bnc">VUL-0: EMBARGOED: CVE-2018-8897: xen: x86: mishandling of debug exceptions (XSA-260)</issue>
  <issue id="1090823" tracker="bnc">VUL-0: EMBARGOED: xen: qemu may drive Xen into unbounded loop (XSA-262)</issue>
  <issue id="1090822" tracker="bnc">VUL-0: EMBARGOED: xen: x86 vHPET interrupt injection errors (XSA-261)</issue>
  <issue id="1089152" tracker="bnc">VUL-0: CVE-2018-10472: xen: Information leak via crafted user-supplied CDROM (XSA-258)</issue>
  <issue id="2018-10471" tracker="cve" />
  <issue id="2018-10472" tracker="cve" />
  <issue id="2018-8897" tracker="cve" />
  <category>security</category>
    <rating>important</rating>
  <packager>charlesa</packager>
  <description>This update for xen fixes several issues.

These security issues were fixed:

- CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820)
- Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy
  HVM guests from causing a hypervisor crash or potentially privilege
  escalation/information leaks (XSA-261, bsc#1090822)
- Prevent unbounded loop, induced by qemu allowing an attacker to permanently
  keep a physical CPU core busy (XSA-262, bsc#1090823)
- CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able
  to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction
  with specifying the target file as the backing file of a snapshot
  (bsc#1089152).
- CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service
  (out-of-bounds zero write and hypervisor crash) via unexpected INT 80
  processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635).

These non-security issues were fixed:

- bsc#1086039: Ensure that Dom0 does represent DomU cpu flags correctly
- bsc#1027519: Fixed shadow mode guests
</description>
  <summary>Security update for xen</summary>
</patchinfo>

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