openSUSE Security Update : xen (openSUSE-SU-2014:0483-1)

This script is Copyright (C) 2014 Tenable Network Security, Inc.


Synopsis :

The remote openSUSE host is missing a security update.

Description :

Xen was updated to fix various bugs and security issues :

Update to Xen version 4.2.4 c/s 26280.

- bnc#861256 - CVE-2014-1950: xen: XSA-88: use-after-free
in xc_cpupool_getinfo() under memory pressure. (fix
included with update)

- bnc#863297: xend/pvscsi: recognize also SCSI CDROM
devices

- bnc#858496 - CVE-2014-1642: Xen: XSA-83: Out-of-memory
condition yielding memory corruption during IRQ setup

- bnc#860163 - xen: XSA-84: integer overflow in several
XSM/Flask hypercalls (CVE-2014-1891 CVE-2014-1892
CVE-2014-1893 CVE-2014-1894)

- bnc#860165 - CVE-2014-1895: xen: XSA-85: Off-by-one
error in FLASK_AVC_CACHESTAT hypercall

- bnc#860300 - CVE-2014-1896: xen: XSA-86: libvchan
failure handling malicious ring indexes

- bnc#860302 - CVE-2014-1666: xen: XSA-87:
PHYSDEVOP_{prepare,release}_msix exposed to unprivileged
guests

- bnc#858311 - Server is not booting in kernel XEN after
latest updates - (XEN) setup 0000:00:18.0 for d0 failed
(-19)

- bnc#858496 - CVE-2014-1642: Xen: XSA-83: Out-of-memory
condition yielding memory corruption during IRQ setup

- bnc#853049 - CVE-2013-6885: xen: XSA-82: Guest
triggerable AMD CPU erratum may cause host hang

- bnc#853048 - CVE-2013-6400: xen: XSA-80: IOMMU TLB
flushing may be inadvertently suppressed

- bnc#831120 - CVE-2013-2212: xen: XSA-60: Excessive time
to disable caching with HVM guests with PCI passthrough

- bnc#848014 - [HP HPS] Xen hypervisor panics on 8-blades
nPar with 46-bit memory addressing

- bnc#833251 - [HP BCS SLES11 Bug]: In HPs UEFI x86_64
platform and with xen environment, in booting stage ,xen
hypervisor will panic.

- pygrub: Support (/dev/xvda) style disk specifications

- bnc#849667 - CVE-2014-1895: xen: XSA-74: Lock order
reversal between page_alloc_lock and mm_rwlock

- bnc#849668 - CVE-2013-4554: xen: XSA-76: Hypercalls
exposed to privilege rings 1 and 2 of HVM guests

- bnc#842417 - In HPs UEFI x86_64 platform and sles11sp3
with xen environment, dom0 will soft lockup on multiple
blades nPar.

- bnc#848014 - [HP HPS] Xen hypervisor panics on 8-blades
nPar with 46-bit memory addressing

- bnc#846849 - Soft lockup with PCI passthrough and many
VCPUs

- bnc#833483 - Boot Failure with xen kernel in UEFI mode
with error 'No memory for trampoline'

- bnc#849665 - CVE-2013-4551: xen: XSA-75: Host crash due
to guest VMX instruction execution

- The upstream version of checking for xend when using the
'xl' command is used is not working.

- bnc#840997 - It is possible to start a VM twice on the
same node.

- bnc#848657 - xen: CVE-2013-4494: XSA-73: Lock order
reversal between page allocation and grant table locks

See also :

http://lists.opensuse.org/opensuse-updates/2014-04/msg00010.html
https://bugzilla.novell.com/show_bug.cgi?id=831120
https://bugzilla.novell.com/show_bug.cgi?id=833251
https://bugzilla.novell.com/show_bug.cgi?id=833483
https://bugzilla.novell.com/show_bug.cgi?id=840997
https://bugzilla.novell.com/show_bug.cgi?id=842417
https://bugzilla.novell.com/show_bug.cgi?id=846849
https://bugzilla.novell.com/show_bug.cgi?id=848014
https://bugzilla.novell.com/show_bug.cgi?id=848657
https://bugzilla.novell.com/show_bug.cgi?id=849665
https://bugzilla.novell.com/show_bug.cgi?id=849667
https://bugzilla.novell.com/show_bug.cgi?id=849668
https://bugzilla.novell.com/show_bug.cgi?id=853048
https://bugzilla.novell.com/show_bug.cgi?id=853049
https://bugzilla.novell.com/show_bug.cgi?id=858311
https://bugzilla.novell.com/show_bug.cgi?id=858496
https://bugzilla.novell.com/show_bug.cgi?id=860163
https://bugzilla.novell.com/show_bug.cgi?id=860165
https://bugzilla.novell.com/show_bug.cgi?id=860300
https://bugzilla.novell.com/show_bug.cgi?id=860302
https://bugzilla.novell.com/show_bug.cgi?id=861256
https://bugzilla.novell.com/show_bug.cgi?id=863297

Solution :

Update the affected xen packages.

Risk factor :

High / CVSS Base Score : 8.3
(CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.2
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

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