CVE-2012-1601

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.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory suse.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/9c895160d25a76c21b65bad141b08e8d4f99afef
https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html vendor advisory
http://www.debian.org/security/2012/dsa-2469 vendor advisory
http://www.openwall.com/lists/oss-security/2012/03/30/1 mailing list
http://rhn.redhat.com/errata/RHSA-2012-0571.html vendor advisory
http://www.securitytracker.com/id?1026897 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html vendor advisory
http://secunia.com/advisories/49928 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=808199
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
http://rhn.redhat.com/errata/RHSA-2012-0676.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-1601?
CVE-2012-1601 has been scored as a medium severity vulnerability.
How to fix CVE-2012-1601?
To fix CVE-2012-1601, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-1601 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-1601 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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