What is CVE-2012-6703?

CVE-2012-6703 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Integer Overflow flaw (CWE-190). CVE-2012-6703 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2012-6703?

CVE-2012-6703 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2012-6703?

No patch is currently available for CVE-2012-6703. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2012-6703 actively exploited?

CVE-2012-6703 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Integer Overflow (CWE-190)?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/190.html

CVE-2012-6703

High

Integer overflow in the snd_compr_allocate_buffer function in sound/core/compress_offload.c in the ALSA subsystem in the Linux kernel before 3.6-rc6-next-20120917 allows local users to cause a denial of service (insufficient memory allocation) or possibly have unspecified other impact via a crafted SNDRV_COMPRESS_SET_PARAMS ioctl call.

Package Linux Kernel

Published 2016-06-29

Last modified 2026-05-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-190

CVE-2012-6703 is a Integer Overflow vulnerability

What is Integer Overflow?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2012-6703 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Openwall
http://www.openwall.com/lists/oss-security/2016/06/28/6
Securityfocus
http://www.securityfocus.com/bid/91502
Securitytracker
http://www.securitytracker.com/id/1036190
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1351076
Kernel.org
https://www.kernel.org/pub/linux/kernel/next/patch-v3.6-rc6-next-20120917.xz
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b35cc8225845112a616e3a2266d2fde5ab13d3ab
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/b35cc8225845112a616e3a2266d2fde5ab13d3ab
Patch

Details

CVE ID CVE-2012-6703

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2016-06-29

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2012-6703?

CVE-2012-6703 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Integer Overflow flaw (CWE-190) . CVE-2012-6703 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2012-6703?

CVE-2012-6703 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2012-6703?

No patch is currently available for CVE-2012-6703. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2012-6703 actively exploited?

No — CVE-2012-6703 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Integer Overflow (CWE-190)?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. View CWE-190 on MITRE CWE →