openSUSE Security Update : xen (openSUSE-SU-2012:1687-1)

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 denial of service issues.

- bnc#789945 - CVE-2012-5510: xen: Grant table version
switch list corruption vulnerability (XSA-26)

- bnc#789944 - CVE-2012-5511: xen: Several HVM operations
do not validate the range of their inputs (XSA-27)

- bnc#789940 - CVE-2012-5512: xen: HVMOP_get_mem_access
crash / HVMOP_set_mem_access information leak (XSA-28)

- bnc#789951 - CVE-2012-5513: xen: XENMEM_exchange may
overwrite hypervisor memory (XSA-29)

- bnc#789948 - CVE-2012-5514: xen: Missing unlock in
guest_physmap_mark_populate_on_demand() (XSA-30)

- bnc#789950 - CVE-2012-5515: xen: Several memory
hypercall operations allow invalid extent order values
(XSA-31)

- bnc#789988 - FATAL PAGE FAULT in hypervisor
(arch_do_domctl)

- Upstream patches from Jan
26132-tmem-save-NULL-check.patch
26134-x86-shadow-invlpg-check.patch
26148-vcpu-timer-overflow.patch (Replaces
CVE-2012-4535-xsa20.patch)
26149-x86-p2m-physmap-error-path.patch (Replaces
CVE-2012-4537-xsa22.patch)
26150-x86-shadow-unhook-toplevel-check.patch (Replaces
CVE-2012-4538-xsa23.patch)

- bnc#777628 - guest 'disappears' after live migration
Updated block-dmmd script

- Fix exception in balloon.py and osdep.py
xen-max-free-mem.diff

- bnc#792476 - efi files missing in latest XEN update
Revert c/s 25751 EFI Makefile changes in
23614-x86_64-EFI-boot.patch

See also :

http://lists.opensuse.org/opensuse-updates/2012-12/msg00048.html
https://bugzilla.novell.com/show_bug.cgi?id=777628
https://bugzilla.novell.com/show_bug.cgi?id=789940
https://bugzilla.novell.com/show_bug.cgi?id=789944
https://bugzilla.novell.com/show_bug.cgi?id=789945
https://bugzilla.novell.com/show_bug.cgi?id=789948
https://bugzilla.novell.com/show_bug.cgi?id=789950
https://bugzilla.novell.com/show_bug.cgi?id=789951
https://bugzilla.novell.com/show_bug.cgi?id=789988
https://bugzilla.novell.com/show_bug.cgi?id=792476

Solution :

Update the affected xen packages.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)

Family: SuSE Local Security Checks

Nessus Plugin ID: 74850 ()

Bugtraq ID:

CVE ID: CVE-2012-4535
CVE-2012-4537
CVE-2012-4538
CVE-2012-5510
CVE-2012-5511
CVE-2012-5512
CVE-2012-5513
CVE-2012-5514
CVE-2012-5515

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