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CVE-2014-3611

Date: November 10, 2014

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.

Language: C

Severity Score

Related Resources (16)

http://www.ubuntu.com/usn/USN-2394-1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2febc839133280d5a5e8e1179c94ea674489dae2
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
https://nvd.nist.gov/vuln/detail/CVE-2014-3611
http://rhn.redhat.com/errata/RHSA-2015-0869.html
http://rhn.redhat.com/errata/RHSA-2015-0126.html
https://bugzilla.redhat.com/show_bug.cgi?id=1144878
https://github.com/torvalds/linux/commit/2febc839133280d5a5e8e1179c94ea674489dae2
http://www.openwall.com/lists/oss-security/2014/10/24/9
https://access.redhat.com/security/cve/CVE-2014-3611
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-3611
http://rhn.redhat.com/errata/RHSA-2015-0284.html
https://www.mend.io/vulnerability-database/CVE-2014-3611

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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