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Gmane
From: <updates <at> fedoraproject.org>
Subject: [SECURITY] Fedora 17 Update: xen-4.1.3-6.fc17
Newsgroups: gmane.linux.redhat.fedora.package.announce
Date: Friday 23rd November 2012 02:59:27 UTC (over 3 years ago)
--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2012-18242
2012-11-15 02:08:09
--------------------------------------------------------------------------------

Name        : xen
Product     : Fedora 17
Version     : 4.1.3
Release     : 6.fc17
URL         : http://xen.org/
Summary     : Xen is a virtual machine monitor
Description :
This package contains the XenD daemon and xm command line
tools, needed to manage virtual machines running under the
Xen hypervisor

--------------------------------------------------------------------------------
Update Information:

A guest can block a cpu by setting a bad VCPU deadline [XSA 20,
CVE-2012-4535] (#876198)
HVM guest can use invalid pirq values to crash xen [XSA 21, CVE-2012-4536]
(#876200)
HVM guest can exhaust p2m table crashing xen [XSA 22, CVE-2012-4537]
(#876203)
PAE HVM guest can crash hypervisor [XSA-23, CVE-2012-4538] (#876205)
32-bit PV guest on 64-bit hypervisor can cause an hypervisor infinite
loop [XSA-24, CVE-2012-4539] (#876207)
--------------------------------------------------------------------------------
ChangeLog:

* Tue Nov 13 2012 Michael Young  - 4.1.3-6
- 5 security fixes
  A guest can block a cpu by setting a bad VCPU deadline [XSA 20,
    CVE-2012-4535] (#876198)
  HVM guest can use invalid pirq values to crash xen [XSA 21,
CVE-2012-4536]
    (#876200)
  HVM guest can exhaust p2m table crashing xen [XSA 22, CVE-2012-4537]
(#876203)
  PAE HVM guest can crash hypervisor [XSA-23, CVE-2012-4538] (#876205)
  32-bit PV guest on 64-bit hypervisor can cause an hypervisor infinite
    loop [XSA-24, CVE-2012-4539] (#876207)
* Sun Oct 28 2012 Michael Young  - 4.1.3-5
- limit the size of guest kernels and ramdisks to avoid running out
  of memory on dom0 during guest boot [XSA-25, CVE-2012-4544] (#870414)
- remove pygrub.size.limits.patch patch included in new patch
* Thu Sep  6 2012 Michael Young  - 4.1.3-4
- disable qemu monitor by default [XSA-19, CVE-2012-4411] (#855141)
* Wed Sep  5 2012 Michael Young  - 4.1.3-3
- 5 security fixes
  a malicious 64-bit PV guest can crash the dom0 [XSA-12, CVE-2012-3494]
    (#854585)
  a malicious crash might be able to crash the dom0 or escalate privileges
    [XSA-13, CVE-2012-3495] (#854589)
  a malicious PV guest can crash the dom0 [XSA-14, CVE-2012-3496] (#854590)
  a malicious HVM guest can crash the dom0 and might be able to read
    hypervisor or guest memory [XSA-16, CVE-2012-3498] (#854593)
  an HVM guest could use VT100 escape sequences to escalate privileges to
    that of the qemu process [XSA-17, CVE-2012-3515] (#854599)
* Fri Aug 10 2012 Michael Young  - 4.1.3-1 4.1.3-2
- update to 4.1.3
  includes fix for untrusted HVM guest can cause the dom0 to hang or
    crash [XSA-11, CVE-2012-3433] (#843582)
- remove patches that are now upstream
- remove some unnecessary compile fixes
- adjust upstream-23936:cdb34816a40a-rework for backported fix for
    upstream-23940:187d59e32a58
- replace pygrub.size.limits.patch with upstreamed version
- fix for (#845444) broke xend under systemd
* Tue Aug  7 2012 Michael Young  - 4.1.2-25
- remove some unnecessary cache flushing that slow things down
- change python options on xend to reduce selinux problems (#845444)
* Thu Jul 26 2012 Michael Young  - 4.1.2-24
- in rare circumstances an unprivileged user can crash an HVM guest
  [XSA-10,CVE-2012-3432] (#843766)
* Tue Jul 24 2012 Michael Young  - 4.1.2-23
- add a patch to remove a dependency on PyXML and Require python-lxml
  instead of PyXML (#842843)
* Sun Jul 22 2012 Michael Young  - 4.1.2-22
- adjust systemd service files not to report failures when running without
  a hypervisor or when xendomains.service doesn't find anything to start
* Sun Jul 22 2012 Fedora Release Engineering
 - 4.1.2-21
- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
* Tue Jun 12 2012 Michael Young  - 4.1.2-20
- Apply three security patches
  64-bit PV guest privilege escalation vulnerability [CVE-2012-0217]
  guest denial of service on syscall/sysenter exception generation
    [CVE-2012-0218]
  PV guest host Denial of Service [CVE-2012-2934]
* Sat Jun  9 2012 Michael Young  - 4.1.2-19
- adjust xend.service systemd file to avoid selinux problems
* Fri Jun  8 2012 Michael Young  - 4.1.2-18
- Enable xenconsoled by default under systemd (#829732)
* Thu May 17 2012 Michael Young  - 4.1.2-16
4.1.2-17
- make pygrub cope better with big files from guest (#818412 CVE-2012-2625)
- add patch from 4.1.3-rc2-pre to build on F17/8
--------------------------------------------------------------------------------
References:

  [ 1 ] Bug #870086 - CVE-2012-4535 kernel: xen: VCPU timer overflow leads
to PCPU deadlock and host death-by-watchdog
        https://bugzilla.redhat.com/show_bug.cgi?id=870086
  [ 2 ] Bug #870096 - CVE-2012-4536 kernel: xen: PIRQ unmap missing range
check causes hypervisor crash
        https://bugzilla.redhat.com/show_bug.cgi?id=870096
  [ 3 ] Bug #870101 - CVE-2012-4537 kernel: xen: Memory mapping failure can
crash Xen
        https://bugzilla.redhat.com/show_bug.cgi?id=870101
  [ 4 ] Bug #870106 - CVE-2012-4538 kernel: xen: Unhooking empty PAE
entries can crash Xen
        https://bugzilla.redhat.com/show_bug.cgi?id=870106
  [ 5 ] Bug #870110 - CVE-2012-4539 kernel: xen: Grant Table hypercall
infinite loop can crash Xen
        https://bugzilla.redhat.com/show_bug.cgi?id=870110
--------------------------------------------------------------------------------

This update can be installed with the "yum" update program.  Use 
su -c 'yum update xen' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key.  More details on
the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
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