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CVE-2010-4656

25
FAUCET Score

CVE-2010-4656 is a heap-based buffer overflow vulnerability in the iowarrior_write function of the Linux kernel (before version 2.6.37), affecting various Linux distributions including Canonical and Ubuntu. This flaw allows a local attacker to trigger a denial of service or potentially gain elevated privileges by providing a long report. With a CVSS score of 7.8 (High), it indicates a significant risk with low attack complexity and no user interaction required for exploitation. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.37CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
8.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 72nd percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: MRG for RHEL-5Fixed in: kernel-rt-0:2.6.33.7-rt29.55.el5rt
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-71.24.1.el6
View patch

Vendor Advisories (1)

redhatCVE-2010-4656Moderate

kernel: iowarrior usb device heap overflow

Oct 22, 2010

References

git.kernel.org
openwall.com / lists/oss-security/2011/01/24/9
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2011/01/25/3
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2011/01/25/4
Mailing ListPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.37
Broken Link
securityfocus.com / bid/46069
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1146-1
Third Party Advisory