6 Medium
AI Score
Confidence
Low
2.7 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:S/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
27.1%
The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.
bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1817
lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html
lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
rhn.redhat.com/errata/RHSA-2012-1130.html
secunia.com/advisories/49184
secunia.com/advisories/51413
www.openwall.com/lists/oss-security/2012/10/26/3
www.securityfocus.com/bid/53650
www.securitytracker.com/id?1027090
xenbits.xensource.com/hg/xen-unstable.hg/rev/60f09d1ab1fe