CVE-2012-4539

Sažetak

Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."

Reference

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00002.html
http://secunia.com/advisories/51200
http://secunia.com/advisories/51324
http://secunia.com/advisories/51352
http://secunia.com/advisories/51413
http://secunia.com/advisories/51468
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://www.debian.org/security/2012/dsa-2582
http://www.openwall.com/lists/oss-security/2012/11/13/4
http://www.osvdb.org/87305
http://www.securityfocus.com/bid/56498
http://www.securitytracker.com/id?1027763
https://exchange.xforce.ibmcloud.com/vulnerabilities/80026
https://security.gentoo.org/glsa/201604-03

CVSS

Base:	2.1
Impact:	2.9
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
LOCAL	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	PARTIAL

CVSS vektor

AV:L/AC:L/Au:N/C:N/I:N/A:P

Zadnje važnije ažuriranje

29-08-2017 - 01:32

Objavljeno

21-11-2012 - 23:55