CVE-2013-0151
The do_hvm_op function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x86_32 platform does not prevent HVM_PARAM_NESTEDHVM (aka nested virtualization) operations, which allows guest OS users to cause a denial of service (long-duration page mappings and…
Does this matter?
Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.
Description
The do_hvm_op function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x86_32 platform does not prevent HVM_PARAM_NESTEDHVM (aka nested virtualization) operations, which allows guest OS users to cause a denial of service (long-duration page mappings and host OS crash) by leveraging administrative access to an HVM guest in a domain with a large number of VCPUs.
- CVSS 2.0
- 4.6 MEDIUMAV:A/AC:H/Au:N/C:N/I:N/A:C
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- xen/xen
- Source
- secalert@redhat.com
References
- http://openwall.com/lists/oss-security/2013/01/22/10
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://xenbits.xen.org/gitweb/?p=xen.git%3Ba=commit%3Bh=d60d7082289a74e44b3dc8f67df46c3404ca08bf
- http://openwall.com/lists/oss-security/2013/01/22/10
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://xenbits.xen.org/gitweb/?p=xen.git%3Ba=commit%3Bh=d60d7082289a74e44b3dc8f67df46c3404ca08bf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.