CVE-2016-0723

Published on: 02/07/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:13 PM UTC

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

Certain versions of Linux Kernel from Linux contain the following vulnerability:

Race 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.

  • CVE-2016-0723 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 6.8 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED LOW NONE HIGH

CVSS2 Score: 5.6 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE COMPLETE

CVE References

Description Tags Link
Bug 1296253 – CVE-2016-0723 kernel: Kernel memory disclosure and crash in tty layer bugzilla.redhat.com
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URL Logo CONFIRM bugzilla.redhat.com/show_bug.cgi?id=1296253
USN-2929-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2929-2
USN-2967-2: Linux kernel (OMAP4) vulnerabilities | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2967-2
Linux Kernel tty Subsystem Use-After-Free Memory Error Lets Local Users Obtain Portions of Kernel Memory and Potentially Cause a Kernel Panic - SecurityTracker www.securitytracker.com
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URL Logo SECTRACK 1035695
Debian -- Security Information -- DSA-3503-1 linux www.debian.org
Depreciated Link
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URL Logo DEBIAN DSA-3503
No Description Provided support.f5.com
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URL Logo CONFIRM support.f5.com/csp/article/K43650115
USN-2930-3: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2930-3
CVE-2016-0723 security-tracker.debian.org
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URL Logo CONFIRM security-tracker.debian.org/tracker/CVE-2016-0723
Oracle Linux Bulletin - July 2016 web.archive.org
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Inactive LinkNot Archived
URL Logo CONFIRM www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Debian -- Security Information -- DSA-3448-1 linux www.debian.org
Depreciated Link
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URL Logo DEBIAN DSA-3448
kernel/git/torvalds/linux.git - Linux kernel source tree Vendor Advisory
git.kernel.org
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URL Logo CONFIRM git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439
USN-2948-2: Linux kernel (Utopic HWE) regression | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2948-2
USN-2930-1: Linux kernel vulnerabilities | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2930-1
USN-2930-2: Linux kernel (Wily HWE) vulnerabilities | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2930-2
[security-announce] SUSE-SU-2016:1102-1: important: Security update for lists.opensuse.org
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URL Logo SUSE SUSE-SU-2016:1102
Linux Kernel CVE-2016-0723 Local Race Condition Vulnerability cve.report (archive)
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URL Logo BID 82950
[security-announce] SUSE-SU-2016:2074-1: important: Security update for lists.opensuse.org
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URL Logo SUSE SUSE-SU-2016:2074
Android Security Bulletin—July 2016 | Android Open Source Project source.android.com
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URL Logo CONFIRM source.android.com/security/bulletin/2016-07-01.html
[SECURITY] Fedora 23 Update: kernel-4.3.4-300.fc23 lists.fedoraproject.org
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URL Logo FEDORA FEDORA-2016-2f25d12c51
USN-2948-1: Linux kernel (Utopic HWE) vulnerabilities | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2948-1
Oracle VM Server for x86 Bulletin - October 2016 www.oracle.com
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URL Logo CONFIRM www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
[SECURITY] Fedora 22 Update: kernel-4.3.4-200.fc22 lists.fedoraproject.org
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URL Logo FEDORA FEDORA-2016-5d43766e33
[security-announce] SUSE-SU-2016:1764-1: important: Security update for lists.opensuse.org
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URL Logo SUSE SUSE-SU-2016:1764
tty: Fix unsafe ldisc reference via ioctl(TIOCGETD) · torvalds/[email protected] · GitHub github.com
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URL Logo CONFIRM github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439
USN-2932-1: Linux kernel (Vivid HWE) vulnerabilities | Ubuntu www.ubuntu.com
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URL Logo UBUNTU USN-2932-1
USN-2967-1: Linux kernel vulnerabilities | Ubuntu www.ubuntu.com
text/html
URL Logo UBUNTU USN-2967-1
[security-announce] openSUSE-SU-2016:1008-1: important: Security update lists.opensuse.org
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URL Logo SUSE openSUSE-SU-2016:1008
USN-2929-1: Linux kernel vulnerabilities | Ubuntu www.ubuntu.com
text/html
URL Logo UBUNTU USN-2929-1
[security-announce] SUSE-SU-2016:0911-1: important: Security update for lists.opensuse.org
text/html
URL Logo SUSE SUSE-SU-2016:0911

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
LinuxLinux KernelAllAllAllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*: