PT-2012-4139 · Xen+2 · Xen+2

Published 2012-07-31 · Updated 2024-06-15 · CVE-2012-2625

Positive Technologies (AI Summary)

CVSS v2.0

2.7

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen unstable before changeset 25589:60f09d1ab1fe Xen versions 4.2.x Xen versions 4.1.x

Description The issue allows local para-virtualized guest users to cause a denial of service, specifically memory consumption, by utilizing a large compressed kernel image. This can be achieved through either bzip2 or lzma compression.

Recommendations For Xen unstable before changeset 25589:60f09d1ab1fe, update to a version after changeset 25589:60f09d1ab1fe to resolve the issue. For Xen versions 4.2.x, consider updating to a newer version that includes the fix for this issue. For Xen versions 4.1.x, consider updating to a newer version that includes the fix for this issue. As a temporary workaround, consider restricting the size of compressed kernel images to prevent excessive memory consumption.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2012-2625

DSA-2636-1

OPENSUSE-SU-2012_1172-1

OPENSUSE-SU-2012_1174-1

OPENSUSE-SU-2012_1572-1

OPENSUSE-SU-2012_1573-1

OPENSUSE-SU-2024:10196-1

RHSA-2012:1130

RHSA-2012_1130

SUSE-SU-2012_1044-1

SUSE-SU-2012_1135-1

Affected Products

Red Hat

Suse

Xen

References · 207

• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10196-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3433 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2012-2625 · Security Note
• http://xenbits.xensource.com/hg/xen-unstable.hg/rev/60f09d1ab1fe · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2012-2625 · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2012-1130.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3432 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2625 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2012-2625 · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-04588 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html · Vendor Advisory