CVE-2010-4077

NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 1%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

The ntty_ioctl_tiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

CVSS v3
—
EG Score
0.0(none)
EPSS
60.4%
KEV
Not listed

Published

November 29, 2010

Last Modified

April 29, 2026

References (24)

Vendor Advisories for CVE-2010-4077(2)

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

Patch Availability(13)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-2.6.32-318-ec2 (2.6.32-318.38) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.35-903-omap4 (2.6.35-903.24) @ maverick2026-05-29ubuntu
ubuntulinux-image-2.6.32-218-dove (2.6.32-218.36) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.35-30-powerpc (2.6.35-30.56) @ maverick2026-05-29ubuntu
ubuntulinux-image-2.6.32-34-lpia (2.6.32-34.77) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.24-29-lpiacompat (2.6.24-29.91) @ hardy2026-05-29ubuntu
ubuntulinux-image-2.6.31-23-386 (2.6.31-23.74) @ karmic2026-05-29ubuntu
ubuntulinux-image-2.6.31-610-imx51 (2.6.31-610.28) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.35-30-virtual (2.6.35-30.56~lucid1) @ lucid2026-05-29ubuntu
ubuntulinux-image-2.6.32-418-dove (2.6.32-418.36) @ maverick2026-05-29ubuntu
ubuntulinux-image-2.6.15-57-sparc64-smp (2.6.15-57.94) @ dapper2026-05-29ubuntu
redhatkernel-0:2.6.32-71.14.1.el62011-01-11redhat
redhatkernel-rt-0:2.6.33.7-rt29.47.el5rt2010-12-08redhat

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

(11)

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 8× in last 7d / 33× 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.

  1. 2026-07-22 21:45 UTCEG score recompute
  2. 2026-07-22 14:03 UTCEPSS rescore
  3. 2026-07-22 14:03 UTCEPSS rescore
  4. 2026-07-21 15:20 UTCEPSS rescore
  5. 2026-07-20 17:03 UTCEPSS rescore
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  1. 2026-06-28 04:52 UTCEPSS rescore
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  7. 2026-06-23 21:30 UTCEPSS rescore
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  22. 2026-06-14 23:14 UTCEPSS rescore
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  28. 2026-06-11 13:56 UTCEPSS rescore
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  44. 2026-06-01 13:49 UTCEPSS rescore
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  46. 2026-05-31 22:28 UTCEPSS rescore
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  48. 2026-05-31 00:14 UTCEPSS rescore
  49. 2026-05-31 00:13 UTCEPSS rescore
  50. 2026-05-29 13:40 UTCEPSS rescore
  51. 2026-05-29 09:39 UTCEG score recompute
  52. 2026-05-29 09:39 UTCVendor advisory
  53. 2026-05-29 09:38 UTCGHSA enrichment
  54. 2026-05-28 13:42 UTCEPSS rescore
  55. 2026-05-28 13:42 UTCEPSS rescore
  56. 2026-05-27 13:38 UTCEPSS rescore
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  63. 2026-05-22 21:15 UTCEPSS rescore
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16973
    First seen Mar 14, 2011

    Linux Kenel 2.6.37-rc1 - serial_core TIOCGICOUNT Leak

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(4)

What is CVE-2010-4077?
CVE-2010-4077 is a none vulnerability published on November 29, 2010. The nttyioctltiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.
When was CVE-2010-4077 disclosed?
CVE-2010-4077 was first published in the National Vulnerability Database on November 29, 2010, 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-2010-4077 actively exploited?
CVE-2010-4077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2010-4077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2010-4077, 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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