CVE-2014-0196

MEDIUMNVD 5.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-05-12), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 5.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
5.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 22%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings.

CVSS v3
5.5
EG Score
9.0(high)
EPSS
97.5%
KEV
⚠ Exploited

Published

May 7, 2014

Last Modified

April 21, 2026

Advisory Details (5)

Auto-updated May 20, 2026
No patch confirmed yet.
generic

About Secunia Research | Flexera

http://secunia.com/advisories/59599
generic

About Secunia Research | Flexera

http://secunia.com/advisories/59262
generic

About Secunia Research | Flexera

http://secunia.com/advisories/59218
generic
http://rhn.redhat.com/errata/RHSA-2014-0512.html
generic

linux.oracle.com | ELSA-2014-0771

http://linux.oracle.com/errata/ELSA-2014-0771.html

Vendor Advisories for CVE-2014-0196(1)

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

Patch Availability(16)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-3.5.0-49-generic (3.5.0-49.74~precise1) @ precise2026-07-21ubuntu
ubuntulinux-image-3.2.0-1446-omap4 (3.2.0-1446.65) @ precise2026-07-21ubuntu
ubuntulinux-image-3.5.0-49-generic (3.5.0-49.74) @ quantal2026-07-21ubuntu
ubuntulinux-image-3.13.0-30-generic-lpae (3.13.0-30.54~precise2) @ precise2026-07-21ubuntu
ubuntulinux-image-3.11.0-20-generic (3.11.0-20.35) @ saucy2026-07-21ubuntu
ubuntulinux-image-2.6.32-58-sparc64 (2.6.32-58.121) @ lucid2026-07-21ubuntu
ubuntulinux-image-extra-3.13.0-24-generic (3.13.0-24.47) @ trusty2026-07-21ubuntu
ubuntulinux-image-2.6.32-363-ec2 (2.6.32-363.77) @ lucid2026-07-21ubuntu
ubuntulinux-image-3.8.0-39-generic (3.8.0-39.58~precise1) @ precise2026-07-21ubuntu
ubuntulinux-image-3.2.0-61-powerpc64-smp (3.2.0-61.93) @ precise2026-07-21ubuntu
ubuntulinux-image-3.11.0-20-generic (3.11.0-20.35~precise1) @ precise2026-07-21ubuntu
redhatkernel-0:3.10.0-123.1.2.el72014-06-10redhat
redhatkernel-rt-0:3.10.33-rt32.34.el6rt2014-05-27redhat
redhatkernel-0:2.6.32-220.51.1.el62014-05-20redhat
redhatkernel-0:2.6.32-279.43.2.el62014-05-19redhat
redhatkernel-0:2.6.32-358.6.1.el62013-04-23redhat

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

(15)

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 94× in last 7d / 378× 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 710 total refreshes for this CVE.

  1. 2026-07-22 21:53 UTCEG score recompute
  2. 2026-07-22 19:40 UTCCISA KEV update
  3. 2026-07-22 18:45 UTCVendor advisory
  4. 2026-07-22 18:45 UTCGHSA enrichment
  5. 2026-07-22 14:24 UTCEG score recompute
  6. 2026-07-22 14:24 UTCVendor advisory
  7. 2026-07-22 14:24 UTCGHSA enrichment
  8. 2026-07-22 14:04 UTCEPSS rescore
  9. 2026-07-22 10:03 UTCVendor advisory
  10. 2026-07-22 10:03 UTCGHSA enrichment
  11. 2026-07-22 05:43 UTCVendor advisory
  12. 2026-07-22 05:43 UTCGHSA enrichment
  13. 2026-07-22 01:22 UTCVendor advisory
  14. 2026-07-22 01:22 UTCGHSA enrichment
  15. 2026-07-21 19:52 UTCEG score recompute
  16. 2026-07-21 19:52 UTCVendor advisory
  17. 2026-07-21 19:52 UTCGHSA enrichment
  18. 2026-07-21 15:21 UTCEPSS rescore
  19. 2026-07-21 15:21 UTCEPSS rescore
  20. 2026-07-21 15:15 UTCVendor advisory
  21. 2026-07-21 15:15 UTCGHSA enrichment
  22. 2026-07-21 14:37 UTCCISA KEV update
  23. 2026-07-21 10:55 UTCVendor advisory
  24. 2026-07-21 10:55 UTCGHSA enrichment
  25. 2026-07-21 06:33 UTCVendor advisory
Show 75 more
  1. 2026-07-21 06:33 UTCGHSA enrichment
  2. 2026-07-21 02:12 UTCVendor advisory
  3. 2026-07-21 02:12 UTCGHSA enrichment
  4. 2026-07-20 21:52 UTCVendor advisory
  5. 2026-07-20 21:51 UTCGHSA enrichment
  6. 2026-07-20 17:31 UTCEG score recompute
  7. 2026-07-20 17:31 UTCVendor advisory
  8. 2026-07-20 17:31 UTCGHSA enrichment
  9. 2026-07-20 17:03 UTCEPSS rescore
  10. 2026-07-20 17:03 UTCEPSS rescore
  11. 2026-07-20 13:11 UTCVendor advisory
  12. 2026-07-20 13:11 UTCGHSA enrichment
  13. 2026-07-20 08:50 UTCVendor advisory
  14. 2026-07-20 08:50 UTCGHSA enrichment
  15. 2026-07-20 04:30 UTCVendor advisory
  16. 2026-07-20 04:30 UTCGHSA enrichment
  17. 2026-07-20 00:09 UTCVendor advisory
  18. 2026-07-20 00:09 UTCGHSA enrichment
  19. 2026-07-19 19:48 UTCVendor advisory
  20. 2026-07-19 19:48 UTCGHSA enrichment
  21. 2026-07-19 15:28 UTCVendor advisory
  22. 2026-07-19 15:28 UTCGHSA enrichment
  23. 2026-07-19 11:08 UTCVendor advisory
  24. 2026-07-19 11:08 UTCGHSA enrichment
  25. 2026-07-19 06:48 UTCVendor advisory
  26. 2026-07-19 06:48 UTCGHSA enrichment
  27. 2026-07-19 02:28 UTCEG score recompute
  28. 2026-07-19 02:28 UTCVendor advisory
  29. 2026-07-19 02:28 UTCGHSA enrichment
  30. 2026-07-19 02:25 UTCEPSS rescore
  31. 2026-07-18 22:08 UTCVendor advisory
  32. 2026-07-18 22:07 UTCGHSA enrichment
  33. 2026-07-18 17:47 UTCVendor advisory
  34. 2026-07-18 17:47 UTCGHSA enrichment
  35. 2026-07-18 13:26 UTCEG score recompute
  36. 2026-07-18 13:26 UTCVendor advisory
  37. 2026-07-18 13:26 UTCGHSA enrichment
  38. 2026-07-18 10:00 UTCEPSS rescore
  39. 2026-07-18 09:05 UTCVendor advisory
  40. 2026-07-18 09:05 UTCGHSA enrichment
  41. 2026-07-18 04:45 UTCVendor advisory
  42. 2026-07-18 04:45 UTCGHSA enrichment
  43. 2026-07-18 00:24 UTCVendor advisory
  44. 2026-07-18 00:24 UTCGHSA enrichment
  45. 2026-07-17 20:04 UTCVendor advisory
  46. 2026-07-17 20:04 UTCGHSA enrichment
  47. 2026-07-17 15:44 UTCVendor advisory
  48. 2026-07-17 15:44 UTCGHSA enrichment
  49. 2026-07-17 11:24 UTCVendor advisory
  50. 2026-07-17 11:24 UTCGHSA enrichment
  51. 2026-07-17 07:02 UTCEG score recompute
  52. 2026-07-17 07:02 UTCVendor advisory
  53. 2026-07-17 07:02 UTCGHSA enrichment
  54. 2026-07-17 02:41 UTCVendor advisory
  55. 2026-07-17 02:41 UTCGHSA enrichment
  56. 2026-07-16 22:20 UTCVendor advisory
  57. 2026-07-16 22:20 UTCGHSA enrichment
  58. 2026-07-16 17:58 UTCVendor advisory
  59. 2026-07-16 17:58 UTCGHSA enrichment
  60. 2026-07-16 17:04 UTCCISA KEV update
  61. 2026-07-16 16:58 UTCEPSS rescore
  62. 2026-07-16 13:38 UTCVendor advisory
  63. 2026-07-16 13:38 UTCGHSA enrichment
  64. 2026-07-16 09:18 UTCVendor advisory
  65. 2026-07-16 09:18 UTCGHSA enrichment
  66. 2026-07-16 04:58 UTCVendor advisory
  67. 2026-07-16 04:58 UTCGHSA enrichment
  68. 2026-07-16 00:38 UTCVendor advisory
  69. 2026-07-16 00:38 UTCGHSA enrichment
  70. 2026-07-15 20:18 UTCVendor advisory
  71. 2026-07-15 20:18 UTCGHSA enrichment
  72. 2026-07-15 16:54 UTCEPSS rescore
  73. 2026-07-15 16:54 UTCEPSS rescore
  74. 2026-07-15 16:49 UTCCISA KEV update
  75. 2026-07-15 15:57 UTCVendor advisory

Publicly available exploits

(2 references)

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

  • GitHub PoCtempbottle/CVE-2014-0196
    First seen Dec 17, 2014

    CVE-2014-0196: Linux kernel pty layer race condition memory corruption

    Open source ↗
  • Exploit-DBEDB-33516
    First seen May 26, 2014

    Linux Kernel 3.14-rc1 < 3.15-rc4 (x64) - Raw Mode PTY Echo Race Condition Privilege Escalation

    Open source ↗

Frequently asked(6)

What is CVE-2014-0196?
CVE-2014-0196 is a medium vulnerability published on May 7, 2014. The nttywrite function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition…
When was CVE-2014-0196 disclosed?
CVE-2014-0196 was first published in the National Vulnerability Database on May 7, 2014, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2014-0196 actively exploited?
Yes. CISA added CVE-2014-0196 to the Known Exploited Vulnerabilities catalog on May 12, 2023, affecting Linux Kernel. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2014-0196?
CVE-2014-0196 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2014-0196?
CVE-2014-0196 affects Linux Kernel. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2014-0196?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-0196, 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.

Dependency Blast Radius

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