CVE-2012-4537
Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause
02 Description
Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause
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
- 0.43% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 37.6% 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
- 2012-11-21 23:00Z13 YR AGO
- Last updated
- 2024-08-06 20:42Z2 YR AGO
- Reserved
- 2012-08-21
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 79b5308fc70e7c477b28efcf911a262a8c1a284cdb85ab35d5d68386ce99c4ac
05 Affected products
06 References
- rhn.redhat.comRHSA-2012:1540http://rhn.redhat.com/errata/RHSA-2012-1540.html
- lists.opensuse.orgSUSE-SU-2014:0470http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- secunia.com55082http://secunia.com/advisories/55082
- exchange.xforce.ibmcloud.comxen-setp2mentry-dos(80024)https://exchange.xforce.ibmcloud.com/vulnerabilities/80024
- www.openwall.com[oss-security] 20121113 Xen Security Advisory 22 (CVE-2012-4537) - Memory mapping failure DoS vulnerabilityhttp://www.openwall.com/lists/oss-security/2012/11/13/6
- secunia.com51413http://secunia.com/advisories/51413
- secunia.com51200http://secunia.com/advisories/51200
- security.gentoo.orgGLSA-201309-24http://security.gentoo.org/glsa/glsa-201309-24.xml
- www.debian.orgDSA-2582http://www.debian.org/security/2012/dsa-2582
- lists.opensuse.orgSUSE-SU-2012:1486http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
- lists.xen.org[Xen-announce] 20121113 Xen Security Advisory 22 (CVE-2012-4537) - Memory mapping failure DoS vulnerabilityhttp://lists.xen.org/archives/html/xen-announce/2012-11/msg00005.html
- lists.opensuse.orgopenSUSE-SU-2012:1572http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- secunia.com51468http://secunia.com/advisories/51468
- lists.opensuse.orgSUSE-SU-2012:1487http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
- lists.opensuse.orgSUSE-SU-2014:0446http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- secunia.com51352http://secunia.com/advisories/51352
- secunia.com51324http://secunia.com/advisories/51324
- security.gentoo.orgGLSA-201604-03https://security.gentoo.org/glsa/201604-03
- www.securityfocus.com56498http://www.securityfocus.com/bid/56498
- lists.opensuse.orgSUSE-SU-2012:1615http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- lists.opensuse.orgopenSUSE-SU-2012:1573http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- osvdb.org87307http://osvdb.org/87307
- www.securitytracker.com1027761http://www.securitytracker.com/id?1027761
07 Fixed in
Debian 12
- xen Fixed in 4.1.3-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.1.3-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.1.3-4
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.