CVE-2014-3611

Description

Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2febc839133280d5a5e8e1179c94ea674489dae2
http://www.ubuntu.com/usn/USN-2491-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2418-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2417-1 third party advisory vendor advisory
http://www.debian.org/security/2014/dsa-3060 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1144878 issue tracking third party advisory patch
http://rhn.redhat.com/errata/RHSA-2015-0869.html third party advisory vendor advisory
https://github.com/torvalds/linux/commit/2febc839133280d5a5e8e1179c94ea674489dae2 third party advisory patch
http://www.ubuntu.com/usn/USN-2394-1 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-0284.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2014/10/24/9 mailing list third party advisory patch
http://rhn.redhat.com/errata/RHSA-2015-0126.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-3611?
CVE-2014-3611 has been scored as a medium severity vulnerability.
How to fix CVE-2014-3611?
To fix CVE-2014-3611, 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-2014-3611 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2014-3611 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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