UBUNTU-CVE-2012-2121

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2012-2121
Published: 17 May 2012, 00:00
Last modified:04 Feb 2026, 03:56

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 May 2012, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 03:56
Last Modified
Vulnerability information updated

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.

Affected Systems

  • ubuntu•linux

    < 3.11.0-12.19 | < 4.2.0-16.19

  • ubuntu•linux-aws

    < 4.4.0-1002.2 | < 4.4.0-1001.10

  • ubuntu•linux-flo

    < 3.4.0-1.3 | < 3.4.0-5.22

  • ubuntu•linux-gke

    < 4.4.0-1003.3

  • ubuntu•linux-goldfish

    < 3.4.0-1.9 | < 3.4.0-4.27

  • ubuntu•linux-hwe

    < 4.8.0-36.36~16.04.1

  • ubuntu•linux-lts-utopic

    < 3.16.0-25.33~14.04.2

  • ubuntu•linux-lts-vivid

    < 3.19.0-18.18~14.04.1

  • ubuntu•linux-lts-wily

    < 4.2.0-18.22~14.04.1

  • ubuntu•linux-lts-xenial

    < 4.4.0-13.29~14.04.1

  • ubuntu•linux-mako

    < 3.4.0-3.21 | < 3.4.0-7.40

  • ubuntu•linux-manta

    < 3.4.0-4.19

  • ubuntu•linux-raspi2

    < 4.2.0-1013.19

  • ubuntu•linux-snapdragon

    < 4.4.0-1012.12

References (15)