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Sicherheit: Mehrere Probleme in kvm
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in kvm
ID: SUSE-SU-2018:3975-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Server 11-SP4
Datum: Mi, 5. Dezember 2018, 23:07
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17958
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15746
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17962
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18849
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17963
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18438
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10839
Applikationen: kvm

Originalnachricht

   SUSE Security Update: Security update for kvm
______________________________________________________________________________

Announcement ID: SUSE-SU-2018:3975-1
Rating: moderate
References: #1106222 #1110910 #1111006 #1111010 #1111013
#1112185 #1114422
Cross-References: CVE-2018-10839 CVE-2018-15746 CVE-2018-17958
CVE-2018-17962 CVE-2018-17963 CVE-2018-18438
CVE-2018-18849
Affected Products:
SUSE Linux Enterprise Server 11-SP4
______________________________________________________________________________

An update that fixes 7 vulnerabilities is now available.

Description:

This update for kvm fixes the following issues:

Security issues fixed:

- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to
an integer overflow, which could lead to buffer overflow issue. It could
occur when receiving packets over the network. A user inside guest could
use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).
- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest
users to cause a denial of service (guest crash) by leveraging
mishandling of the seccomp policy for threads other than the main thread
(bsc#1106222).
- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in
hw/net/rtl8139.c because an incorrect integer data type is used
(bsc#1111006).
- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in
hw/net/pcnet.c because an incorrect integer data type is used
(bsc#1111010).
- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts
packet sizes greater than INT_MAX, which allows attackers to cause a
denial of service or possibly have unspecified other impact.
(bsc#1111013)
- CVE-2018-18849: Fixed an out of bounds memory access issue that was
found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a
message in lsi_do_msgin. It could occur during migration if the
'msg_len' field has an invalid value. A user/process could use
this flaw
to crash the Qemu process resulting in DoS (bsc#1114422).
- CVE-2018-18438: Fixed integer overflows because IOReadHandler and its
associated functions use a signed integer data type for a size value
(bnc#1112185).


Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Server 11-SP4:

zypper in -t patch slessp4-kvm-13891=1



Package List:

- SUSE Linux Enterprise Server 11-SP4 (i586 s390x x86_64):

kvm-1.4.2-60.18.2


References:

https://www.suse.com/security/cve/CVE-2018-10839.html
https://www.suse.com/security/cve/CVE-2018-15746.html
https://www.suse.com/security/cve/CVE-2018-17958.html
https://www.suse.com/security/cve/CVE-2018-17962.html
https://www.suse.com/security/cve/CVE-2018-17963.html
https://www.suse.com/security/cve/CVE-2018-18438.html
https://www.suse.com/security/cve/CVE-2018-18849.html
https://bugzilla.suse.com/1106222
https://bugzilla.suse.com/1110910
https://bugzilla.suse.com/1111006
https://bugzilla.suse.com/1111010
https://bugzilla.suse.com/1111013
https://bugzilla.suse.com/1112185
https://bugzilla.suse.com/1114422

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