CVE-2014-0196

kernel: pty layer race condition leading to memory corruption

Published May 7, 2014 CVSS 3.1 · 5.5 Medium EPSS 20.3% KEV · Listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-2926-1 linux security update
Debian DSA Debian DSA DSA-2928-1 linux-2.6 security update
Ubuntu USN Ubuntu USN USN-2196-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-2197-1 Linux kernel (EC2) vulnerability
Ubuntu USN Ubuntu USN USN-2198-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-2199-1 Linux kernel (Quantal HWE) vulnerability
Ubuntu USN Ubuntu USN USN-2200-1 Linux kernel (Raring HWE) vulnerability
Ubuntu USN Ubuntu USN USN-2201-1 Linux kernel (Saucy HWE) vulnerability
Ubuntu USN Ubuntu USN USN-2202-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-2203-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-2204-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-2227-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-2260-1 Linux kernel (Trusty HWE) vulnerabilities
References
Link Providers
http://bugzilla.novell.com/show_bug.cgi?id=875690 cve-icon cve-icon
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4291086b1f081b869c6d79e5b7441633dc3ace00 cve-icon cve-icon
http://linux.oracle.com/errata/ELSA-2014-0771.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html cve-icon cve-icon
http://pastebin.com/raw.php?i=yTSFUBgZ cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2014-0512.html cve-icon cve-icon
http://secunia.com/advisories/59218 cve-icon cve-icon
http://secunia.com/advisories/59262 cve-icon cve-icon
http://secunia.com/advisories/59599 cve-icon cve-icon
http://source.android.com/security/bulletin/2016-07-01.html cve-icon cve-icon
http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15319.html cve-icon cve-icon
http://www.debian.org/security/2014/dsa-2926 cve-icon cve-icon
http://www.debian.org/security/2014/dsa-2928 cve-icon cve-icon
http://www.exploit-db.com/exploits/33516 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2014/05/05/6 cve-icon cve-icon
http://www.osvdb.org/106646 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2196-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2197-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2198-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2199-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2200-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2201-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2202-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2203-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2204-1 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1094232 cve-icon cve-icon
https://github.com/torvalds/linux/commit/4291086b1f081b869c6d79e5b7441633dc3ace00 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2014-0196 cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0196 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2014-0196 cve-icon
History
Type Values Removed Values Added
Metrics epss

{'score': 0.61195}

epss

{'score': 0.5836}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

kev

{'dateAdded': '2023-05-12'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:f5:enterprise_manager:*:*:*:*:*:*:*:* cpe:2.3:a:f5:enterprise_manager:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:enterprise_manager:3.1.1:*:*:*:*:*:*:*
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Oct 22, 2025, 12:05 AM
Reserved
Dec 3, 2013, 12:00 AM
Status
Analyzed
Published
May 7, 2014, 10:55 AM
Modified
Jun 17, 2026, 12:02 AM
Severity
Important
Public date
May 1, 2014, 12:00 AM