National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-3214 Detail

Description

The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.

Source:  MITRE
Description Last Modified:  08/31/2015

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.9 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924
http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33
http://rhn.redhat.com/errata/RHSA-2015-1507.html
http://rhn.redhat.com/errata/RHSA-2015-1508.html
http://rhn.redhat.com/errata/RHSA-2015-1512.html
http://www.debian.org/security/2015/dsa-3348
http://www.openwall.com/lists/oss-security/2015/06/25/7
http://www.securityfocus.com/bid/75273
http://www.securitytracker.com/id/1032598
https://bugzilla.redhat.com/show_bug.cgi?id=1229640
https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924
https://security.gentoo.org/glsa/201510-02
https://support.lenovo.com/product_security/qemu
https://support.lenovo.com/us/en/product_security/qemu
https://www.exploit-db.com/exploits/37990/
https://www.mail-archive.com/qemu-devel@nongnu.org/msg304138.html

Technical Details

Vulnerability Type (View All)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-3214
NVD Published Date:
08/31/2015
NVD Last Modified:
11/03/2017