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CVE-2012-2121

The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu,…

Medium4.9EPSS 0.41%
Published
Updated
Reserved
Assigned by
redhat

Description

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.

Scores

CVSS scores of CVE-2012-2121, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS (exploitation in 30 days)
0.41% · top 64% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

Affected products

  • n/a

    • affected n/a

References (11)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .