CVE-2016-0723

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2016-0723
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-02-08 03:59:09 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionRace condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.

Risk And Classification

Primary CVSS: v3.0 6.8 MEDIUM from [email protected]

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Problem Types: CWE-200 | CWE-362 | NVD-CWE-Other | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.8MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
2.0[email protected]Primary5.6AV:L/AC:L/Au:N/C:P/I:N/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:P/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
CVE-2016-0723 af854a3a-2127-422b-91ae-364da2661108 security-tracker.debian.org
support.f5.com/csp/article/K43650115 af854a3a-2127-422b-91ae-364da2661108 support.f5.com
[SECURITY] Fedora 23 Update: kernel-4.3.4-300.fc23 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
USN-2929-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Oracle VM Server for x86 Bulletin - October 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
USN-2930-2: Linux kernel (Wily HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-2932-1: Linux kernel (Vivid HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Linux Kernel tty Subsystem Use-After-Free Memory Error Lets Local Users Obtain Portions of Kernel Memory and Potentially Cause a Kernel Panic - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
[security-announce] SUSE-SU-2016:2074-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Android Security Bulletin—July 2016 | Android Open Source Project af854a3a-2127-422b-91ae-364da2661108 source.android.com
USN-2929-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-2930-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Vendor Advisory
Oracle Linux Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Debian -- Security Information -- DSA-3503-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org
USN-2967-2: Linux kernel (OMAP4) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Bug 1296253 – CVE-2016-0723 kernel: Kernel memory disclosure and crash in tty layer af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
[security-announce] SUSE-SU-2016:1764-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[security-announce] openSUSE-SU-2016:1008-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
USN-2948-2: Linux kernel (Utopic HWE) regression | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[security-announce] SUSE-SU-2016:0911-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
USN-2930-3: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[SECURITY] Fedora 22 Update: kernel-4.3.4-200.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[security-announce] SUSE-SU-2016:1102-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
USN-2967-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
tty: Fix unsafe ldisc reference via ioctl(TIOCGETD) · torvalds/linux@5c17c86 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
USN-2948-1: Linux kernel (Utopic HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Linux Kernel CVE-2016-0723 Local Race Condition Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Debian -- Security Information -- DSA-3448-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report