CVE-2012-5515
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.41% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 35.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-12-13 11:00Z13 YR AGO
- Last updated
- 2024-08-06 21:05Z2 YR AGO
- Reserved
- 2012-10-24
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- e513c4137b1478e54e64777f67e7fb25687ad65d036bd1fc13de52fb2a396401
05 Affected products
06 References
- lists.opensuse.orgSUSE-SU-2014:0470http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- exchange.xforce.ibmcloud.comxen-extentorder-dos(80479)https://exchange.xforce.ibmcloud.com/vulnerabilities/80479
- secunia.com55082http://secunia.com/advisories/55082
- lists.opensuse.orgopenSUSE-SU-2013:0133http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
- lists.opensuse.orgopenSUSE-SU-2013:0637http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
- support.citrix.comhttp://support.citrix.com/article/CTX135777
- security.gentoo.orgGLSA-201309-24http://security.gentoo.org/glsa/glsa-201309-24.xml
- www.debian.orgDSA-2582http://www.debian.org/security/2012/dsa-2582
- secunia.com51397http://secunia.com/advisories/51397
- lists.opensuse.orgopenSUSE-SU-2012:1685http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
- secunia.com51486http://secunia.com/advisories/51486
- secunia.com51487http://secunia.com/advisories/51487
- lists.xen.org[Xen-announce] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order valueshttp://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html
- www.securityfocus.com56798http://www.securityfocus.com/bid/56798
- www.osvdb.org88127http://www.osvdb.org/88127
- secunia.com51468http://secunia.com/advisories/51468
- lists.opensuse.orgopenSUSE-SU-2013:0636http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
- lists.opensuse.orgSUSE-SU-2014:0446http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- lists.opensuse.orgopenSUSE-SU-2012:1687http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
- lists.opensuse.orgSUSE-SU-2012:1615http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- www.openwall.com[oss-security] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order valueshttp://www.openwall.com/lists/oss-security/2012/12/03/9
- secunia.com51495http://secunia.com/advisories/51495
- lists.opensuse.orgSUSE-SU-2012:1606http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
07 Fixed in
Debian 12
- xen Fixed in 4.1.3-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.1.3-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.1.3-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.