CVE-2014-3611

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-10 · updated 2026-06-17
Weakness: CWE-362

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.

Affected products

Canonical Ubuntu Linux: 10.04, 12.04
Debian Linux: 7.0
Linux kernel: through 3.17.2
Red Hat Enterprise Linux: 5.0

References

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

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