PT-2012-6000 · Xen+2 · Xen+2

Published 2012-12-13 · Updated 2024-06-15 · CVE-2012-5515

Positive Technologies (AI Summary)

CVSS v2.0

4.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.2

Description The issue allows local guest administrators to cause a denial of service, resulting in a long loop and hang, by utilizing crafted extent order values in specific hypercalls. The affected hypercalls include XENMEM decrease reservation, XENMEM populate physmap, and XENMEM exchange.

Recommendations For versions prior to 4.2, consider restricting access to the XENMEM decrease reservation, XENMEM populate physmap, and XENMEM exchange hypercalls to prevent exploitation until a fix is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Related Identifiers

CVE-2012-5515

DSA-2582-1

OPENSUSE-SU-2012_1685-1

OPENSUSE-SU-2012_1687-1

OPENSUSE-SU-2013_0133-1

OPENSUSE-SU-2024:10196-1

RHSA-2013:0168

RHSA-2013_0168

SUSE-SU-2015:0940-1

SUSE-SU-2015:0944-1

Affected Products

Red Hat

Suse

Xen

References · 174

• http://secunia.com/advisories/51468 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10196-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2012-5515 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-5515 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html · Vendor Advisory
• http://debian.org/security/2012/dsa-2582 · Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2012-5515 · Vendor Advisory
• http://secunia.com/advisories/51487 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html · Vendor Advisory
• http://security.gentoo.org/glsa/glsa-201309-24.xml · Vendor Advisory