What is CVE-2015-3214?

CVE-2015-3214 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2015-3214 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2015-3214?

CVE-2015-3214 has a CVSS score of 6.9 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2015-3214?

No patch is currently available for CVE-2015-3214. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2015-3214 actively exploited?

CVE-2015-3214 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2015-3214

Medium

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.

Package Linux Kernel

Published 2015-08-31

Last modified 2026-05-06

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

6.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Vector string

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

Weakness type

CWE-119

CVE-2015-3214 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2015-3214 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Mirror
http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33

Broken Link Vendor Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2015-1507.html

Issue Tracking Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2015-1508.html

Issue Tracking Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2015-1512.html

Third Party Advisory
Debian Security
http://www.debian.org/security/2015/dsa-3348

Issue Tracking Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2015/06/25/7

Mailing List
Securityfocus
http://www.securityfocus.com/bid/75273

Third Party Advisory VDB Entry
Securitytracker
http://www.securitytracker.com/id/1032598

Third Party Advisory VDB Entry
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1229640

Issue Tracking
Security
https://security.gentoo.org/glsa/201510-02

Issue Tracking Third Party Advisory
Support
https://support.lenovo.com/product_security/qemu

Third Party Advisory
Support
https://support.lenovo.com/us/en/product_security/qemu

Third Party Advisory
Arista
https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13

Third Party Advisory
Exploit-DB
https://www.exploit-db.com/exploits/37990/

Third Party Advisory VDB Entry
Mail-Archive
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg304138.html
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924
Patch

Details

CVE ID CVE-2015-3214

Severity Medium

CVSS score 6.9 / 10

CVSS version 2.0

Published 2015-08-31

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2015-3214?

CVE-2015-3214 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2015-3214 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2015-3214?

CVE-2015-3214 has a CVSS score of 6.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2015-3214?

No patch is currently available for CVE-2015-3214. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2015-3214 actively exploited?

No — CVE-2015-3214 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →