Published: 10/11/2014 Updated: 13/02/2023

CVSS v2 Base Score: 4.7 | Impact Score: 6.9 | Exploitability Score: 3.4

CVSS v3 Base Score: 4.7 | Impact Score: 3.6 | Exploitability Score: 1

VMScore: 419

Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

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

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linux linux kernel
redhat enterprise linux 5.0
canonical ubuntu linux 12.04
canonical ubuntu linux 10.04
debian debian linux 7.0

Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix multiple security issues and several bugsare now available for Red Hat Enterprise Linux 65 Extended Update SupportRed Hat Product Security has rated this update as havin ...

Synopsis Critical: rhev-hypervisor6 security update Type/Severity Security Advisory: Critical Topic An updated rhev-hypervisor6 package that fixes multiple security issues isnow available for Red Hat Enterprise Virtualization 3Red Hat Product Security has rated this update as having Critical securityimpac ...

Several security issues were fixed in the kernel ...

A race condition flaw was found in the way the Linux kernel's KVM subsystem handled PIT (Programmable Interval Timer) emulation A guest user who has access to the PIT I/O ports could use this flaw to crash the host ...

CWE-362 https://github.com/torvalds/linux/commit/2febc839133280d5a5e8e1179c94ea674489dae2 https://bugzilla.redhat.com/show_bug.cgi?id=1144878 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-2418-1 http://www.ubuntu.com/usn/USN-2417-1 http://www.debian.org/security/2014/dsa-3060 http://www.ubuntu.com/usn/USN-2491-1 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://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2febc839133280d5a5e8e1179c94ea674489dae2 https://access.redhat.com/errata/RHSA-2015:0284 https://nvd.nist.gov https://usn.ubuntu.com/2395-1/

CVE-2014-3611

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