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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…
Medium4.7EPSS 0.41%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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 hang) via a crafted extent_order value.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.41% · top 65% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (23)
- SUSE-SU-2014:0470 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- xen-extentorder-dos(80479) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 55082 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2013:0133 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2013:0637 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://support.citrix.com/article/CTX135777 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201309-24 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- DSA-2582 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 51397 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2012:1685 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 51486 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 51487 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [Xen-announce] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 56798 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 88127 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 51468 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2013:0636 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2014:0446 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2012:1687 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2012:1615 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 51495 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SU-2012:1606 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .