CVE-2012-5515 json
The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local gue…
published 2012-12-13 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5407
- cvss
- 4.7
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
Patch / fix
- xen Debian 14, Debian 13, Debian 12 4.1.3-5
debian advisories DEBIAN-CVE-2012-5515
- kernel RHEL 5 2.6.18-348.1.1.el5
- kernel-PAE RHEL 5 2.6.18-348.1.1.el5
- kernel-xen RHEL 5 2.6.18-348.1.1.el5
- kernel-kdump RHEL 5 2.6.18-348.1.1.el5
- kernel-debuginfo-common RHEL 5 2.6.18-348.1.1.el5
red hat advisories RHSA-2013:0168
- xen openSUSE Tumbleweed 4.7.0_12-1.3
opensuse advisories openSUSE-SU-2024:10196-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2012-5515 updated cvss 5.5
kernel: xen: Several memory hypercall operations allow invalid extent order values
-
Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-348.1.1.el5, kernel-PAE 2.6.18-348.1.1.el5, kernel-xen 2.6.18-348.1.1.el5, kernel-kdump 2.6.18-348.1.1.el5, kernel-debuginfo-common 2.6.18-348.1.1.el5fixed: vendor fix RHSA-2013:0168
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
References
-
lists.opensuse.org
/opensuse-security-announce/2014-04/msg00000.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2013-01/msg00011.html
vendor-advisory
-
lists.opensuse.org
/opensuse-updates/2013-04/msg00052.html
vendor-advisory
-
security.gentoo.org
/glsa/glsa-201309-24.xml
vendor-advisory
-
debian.org
/security/2012/dsa-2582
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-12/msg00018.html
vendor-advisory
-
lists.opensuse.org
/opensuse-updates/2013-04/msg00051.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2014-03/msg00021.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-12/msg00019.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-12/msg00001.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-12/msg00000.html
vendor-advisory
-
secunia.com
/advisories/51397
third-party-advisory, vendor-advisory
-
secunia.com
/advisories/51486
third-party-advisory, vendor-advisory
-
secunia.com
/advisories/51487
third-party-advisory, vendor-advisory
-
lists.xen.org
/archives/html/xen-announce/2012-12/msg00001.html
mailing-list, vendor-advisory
-
secunia.com
/advisories/51468
third-party-advisory, vendor-advisory
-
secunia.com
/advisories/51495
third-party-advisory, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/80479
vdb-entry
-
secunia.com
/advisories/55082
third-party-advisory
- support.citrix.com /article/CTX135777
-
securityfocus.com
/bid/56798
vdb-entry
-
osvdb.org
/88127
vdb-entry
-
openwall.com
/lists/oss-security/2012/12/03/9
mailing-list
Sources
- CVE List CVE-2012-5515
- NVD CVE-2012-5515
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.