CVE-2012-0879

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

A fix is available — apply it.

The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

May 17, 2012

Last Modified

April 29, 2026

Advisory Details (6)

Auto-updated May 29, 2026
Patch available.
generic Patch Available

[SECURITY] [DSA 2469-1] linux-2.6 security update

http://www.debian.org/security/2012/dsa-2469
generic

About Secunia Research | Flexera

http://secunia.com/advisories/48842
generic

About Secunia Research | Flexera

http://secunia.com/advisories/48545
generic
http://rhn.redhat.com/errata/RHSA-2012-0531.html
generic
http://rhn.redhat.com/errata/RHSA-2012-0481.html
generic

'[security bulletin] HPSBGN02970 rev.1 - HP Rapid Deployment Pack (RDP) or HP Insight Control Server ' - MARC

http://marc.info/?l=bugtraq&m=139447903326211&w=2

Vendor Advisories for CVE-2012-0879(1)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-2.6.32-344-ec2 (2.6.32-344.46) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.32-40-386 (2.6.32-40.87) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.31-612-imx51 (2.6.31-612.34) @ lucid2026-05-29ubuntu
redhatkernel-0:2.6.32-220.13.1.el62012-04-17redhat

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.

Affected Packages

(1 across 1 ecosystem)
Debian:6.0(1)
PackageVulnerable rangeFixed inDependents
linux-2.62.6.32-30 ... 2.6.32-43 (22 versions)2.6.32-44—

Weakness Classification(1)

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

Additional Vendor Advisories

(3)

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 4× in last 7d / 15× 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 121 total refreshes for this CVE.

  1. 2026-08-21 23:43 UTCEPSS rescore
  2. 2026-08-19 16:59 UTCEPSS rescore
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  16. 2026-07-23 01:06 UTCEG score recompute
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  72. 2026-05-29 04:34 UTCEG score recompute
  73. 2026-05-29 04:34 UTCVendor advisory
  74. 2026-05-29 04:34 UTCGHSA enrichment
  75. 2026-05-28 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2012-0879?
CVE-2012-0879 is a medium vulnerability published on May 17, 2012. The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context.
When was CVE-2012-0879 disclosed?
CVE-2012-0879 was first published in the National Vulnerability Database on May 17, 2012, 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-2012-0879 actively exploited?
CVE-2012-0879 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 61.2% of all scored CVEs.
What is the CVSS score of CVE-2012-0879?
CVE-2012-0879 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2012-0879?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-0879, 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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