CVE-2010-4656

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
32.1%
KEV
Not listed

Published

July 18, 2011

Last Modified

April 29, 2026

Advisory Details (5)

Auto-updated May 2, 2026
Patch available. Sources: redhat.
generic

oss-security - CVE request: linux kernel heap issues

http://openwall.com/lists/oss-security/2011/01/24/9
redhat Patch Available

672420 – (CVE-2010-4656) CVE-2010-4656 kernel: iowarrior usb device heap overflow

Affected: Red Hat Enterprise Linux 6 may address this flaw.

https://bugzilla.redhat.com/show_bug.cgi?id=672420
generic
http://www.securityfocus.com/bid/46069
generic

oss-security - Re: CVE request: linux kernel heap issues

http://openwall.com/lists/oss-security/2011/01/25/4
generic

oss-security - Re: CVE request: linux kernel heap issues

http://openwall.com/lists/oss-security/2011/01/25/3

Vendor Advisories for CVE-2010-4656(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(9)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-2.6.35-903-omap4 (2.6.35-903.24) @ maverick2026-05-29ubuntu
ubuntulinux-image-2.6.35-30-powerpc (2.6.35-30.54) @ maverick2026-05-29ubuntu
ubuntulinux-image-2.6.24-29-lpiacompat (2.6.24-29.90) @ hardy2026-05-29ubuntu
ubuntulinux-image-2.6.32-416-dove (2.6.32-416.33) @ maverick2026-05-29ubuntu
ubuntulinux-image-2.6.32-32-sparc64 (2.6.32-32.62) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.35-30-virtual (2.6.35-30.56~lucid1) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.31-609-imx51 (2.6.31-609.26) @ lucid2026-05-29ubuntu
redhatkernel-0:2.6.32-71.24.1.el62011-04-08redhat
redhatkernel-rt-0:2.6.33.7-rt29.55.el5rt2011-03-10redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(8)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 9× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 103 total refreshes for this CVE.

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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2010-4656?
CVE-2010-4656 is a high vulnerability published on July 18, 2011. 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.
When was CVE-2010-4656 disclosed?
CVE-2010-4656 was first published in the National Vulnerability Database on July 18, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2010-4656 actively exploited?
CVE-2010-4656 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2010-4656?
CVE-2010-4656 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2010-4656?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2010-4656, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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