The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2668-1 linux-2.6 security update
EUVD EUVD EUVD-2012-2123 The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.
Ubuntu USN Ubuntu USN USN-1457-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1470-1 Linux kernel (Natty backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1471-1 Linux kernel (Oneiric backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1472-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1473-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1474-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1476-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1577-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-2036-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2037-1 Linux kernel (EC2) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T19:26:08.276Z

Reserved: 2012-04-04T00:00:00

Link: CVE-2012-2121

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-05-17T11:00:38.210

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-2121

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-03-29T00:00:00Z

Links: CVE-2012-2121 - Bugzilla

cve-icon OpenCVE Enrichment

No data.