UBUNTU-CVE-2012-1601
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 29 Mar 2012, 00:00
Last modified:04 Feb 2026, 03:46
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
29 Mar 2012, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 03:46
Last Modified
Vulnerability information updated
Description
The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists.
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 (14)
- https://ubuntu.com/security/CVE-2012-1601
- http://www.openwall.com/lists/oss-security/2012/03/29
- http://comments.gmane.org/gmane.comp.emulators.kvm.devel/86217
- https://ubuntu.com/security/notices/USN-1445-1
- https://ubuntu.com/security/notices/USN-1448-1
- https://ubuntu.com/security/notices/USN-1452-1
- https://ubuntu.com/security/notices/USN-1453-1
- https://ubuntu.com/security/notices/USN-1455-1
- https://ubuntu.com/security/notices/USN-1457-1
- https://ubuntu.com/security/notices/USN-1459-1
- https://ubuntu.com/security/notices/USN-1460-1
- https://ubuntu.com/security/notices/USN-1470-1
- https://ubuntu.com/security/notices/USN-1507-1
- https://www.cve.org/CVERecord?id=CVE-2012-1601