U radu alata Xen uočena je ranjivost koja omogućuje lokalnim napadačima dobivanje većih ovlasti na ranjivom sustavu.
Paket:
xen 4.x
Operacijski sustavi:
openSUSE 11.3, openSUSE 11.4
Kritičnost:
6.4
Problem:
pogreška u programskoj komponenti
Iskorištavanje:
udaljeno
Posljedica:
dobivanje većih privilegija
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-1898
Izvorni ID preporuke:
openSUSE-SU-2011:0941-1
Izvor:
SUSE
Problem:
Sigurnosni problem je povezan s korištenjem opcije "PCI passthrough" na Intel VT-d sklopovlju koje ne podržava ponovno mapiranje prekida.
Posljedica:
Lokalni korisnici na virtualnom operacijskom sustavu opisani propust mogu iskoristiti za dobivanje ovlasti rada na pravom operacijskom sustavu na kojem je instaliran virtualni.
Rješenje:
Svim korisnicima savjetuje se programska nadogradnja.
openSUSE Security Update: xen: Fixed a security bug and various other bugs
______________________________________________________________________________
Announcement ID: openSUSE-SU-2011:0941-1
Rating: important
References: #582265 #670465 #684297 #684305 #689954 #692625
#693472 #702025 #703924
Cross-References: CVE-2011-1898
Affected Products:
openSUSE 11.4
openSUSE 11.3
______________________________________________________________________________
An update that solves one vulnerability and has 8 fixes is
now available. It includes one version update.
Description:
Security / Collective Update for Xen
Xen:
- bnc#702025 - VUL-0: xen: VT-d (PCI passthrough) MSI trap
injection (CVE-2011-1898)
- bnc#703924 - update block-npiv scripts to support BFA HBA
- bnc#689954 - L3: Live migrations fail when guest crashes:
domain_crash_sync called from entry.S
- bnc#693472 - Bridge hangs cause redundant ring failures
in SLE 11 SP1 HAE + XEN
- bnc#582265 - xen-scsi.ko not supported
- bnc#670465 - When connecting to Xen guest through
vncviewer mouse tracking is off.
- bnc#684305 - on_crash is being ignored with kdump now
working in HVM
vm-install:
- bnc#692625 - virt-manager has problems to install guest
from multiple CD
Patch Instructions:
To install this openSUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:
- openSUSE 11.4:
zypper in -t patch xen-201107-4929
- openSUSE 11.3:
zypper in -t patch xen-201107-4930
To bring your system up-to-date, use "zypper patch".
Package List:
- openSUSE 11.4 (i586 x86_64) [New Version: 0.4.31]:
vm-install-0.4.31-0.4.1
xen-4.0.2_52-0.2.1
xen-devel-4.0.2_52-0.2.1
xen-doc-html-4.0.2_52-0.2.1
xen-doc-pdf-4.0.2_52-0.2.1
xen-kmp-default-4.0.2_52_k2.6.37.6_0.7-0.2.1
xen-kmp-desktop-4.0.2_52_k2.6.37.6_0.7-0.2.1
xen-libs-4.0.2_52-0.2.1
xen-tools-4.0.2_52-0.2.1
xen-tools-domU-4.0.2_52-0.2.1
- openSUSE 11.4 (i586):
xen-kmp-pae-4.0.2_52_k2.6.37.6_0.7-0.2.1
- openSUSE 11.3 (i586 x86_64) [New Version: 0.4.31]:
vm-install-0.4.31-0.4.1
xen-4.0.2_21511_02-0.5.2
xen-devel-4.0.2_21511_02-0.5.2
xen-doc-html-4.0.2_21511_02-0.5.2
xen-doc-pdf-4.0.2_21511_02-0.5.2
xen-kmp-default-4.0.2_21511_02_k2.6.34.10_0.2-0.5.2
xen-kmp-desktop-4.0.2_21511_02_k2.6.34.10_0.2-0.5.2
xen-libs-4.0.2_21511_02-0.5.2
xen-tools-4.0.2_21511_02-0.5.2
xen-tools-domU-4.0.2_21511_02-0.5.2
- openSUSE 11.3 (i586):
xen-kmp-pae-4.0.2_21511_02_k2.6.34.10_0.2-0.5.2
References:
http://support.novell.com/security/cve/CVE-2011-1898.html
https://bugzilla.novell.com/582265
https://bugzilla.novell.com/670465
https://bugzilla.novell.com/684297
https://bugzilla.novell.com/684305
https://bugzilla.novell.com/689954
https://bugzilla.novell.com/692625
https://bugzilla.novell.com/693472
https://bugzilla.novell.com/702025
https://bugzilla.novell.com/703924
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