What is CVE-2010-4656?

CVE-2010-4656 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2010-4656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2010-4656?

CVE-2010-4656 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-2010-4656?

No patch is currently available for CVE-2010-4656. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2010-4656 actively exploited?

CVE-2010-4656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2010-4656

High

The iowarrior_write function in drivers/usb/misc/iowarrior.c in the Linux kernel before 2.6.37 does not properly allocate memory, which might allow local users to trigger a heap-based buffer overflow, and consequently cause a denial of service or gain privileges, via a long report.

Package Linux Kernel

Published 2011-07-18

Last modified 2026-04-29

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-787

CVE-2010-4656 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2010-4656 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37

Broken Link
Securityfocus
http://www.securityfocus.com/bid/46069

Third Party Advisory VDB Entry
Ubuntu Security
http://www.ubuntu.com/usn/USN-1146-1

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3ed780117dbe5acb64280d218f0347f238dafed0
Patch
Kernel patch commit
http://openwall.com/lists/oss-security/2011/01/24/9
Patch
Kernel patch commit
http://openwall.com/lists/oss-security/2011/01/25/3
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2010-4656

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2011-07-18

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2010-4656?

CVE-2010-4656 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2010-4656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2010-4656?

CVE-2010-4656 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-2010-4656?

No patch is currently available for CVE-2010-4656. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2010-4656 actively exploited?

No — CVE-2010-4656 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →