CVE-2016-0723

MEDIUM

Description

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.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

http://source.android.com/security/bulletin/2016-07-01.html

http://www.debian.org/security/2016/dsa-3448

http://www.debian.org/security/2016/dsa-3503

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html

http://www.securityfocus.com/bid/82950

http://www.securitytracker.com/id/1035695

http://www.ubuntu.com/usn/USN-2929-1

http://www.ubuntu.com/usn/USN-2929-2

http://www.ubuntu.com/usn/USN-2930-1

http://www.ubuntu.com/usn/USN-2930-2

http://www.ubuntu.com/usn/USN-2930-3

http://www.ubuntu.com/usn/USN-2932-1

http://www.ubuntu.com/usn/USN-2948-1

http://www.ubuntu.com/usn/USN-2948-2

http://www.ubuntu.com/usn/USN-2967-1

http://www.ubuntu.com/usn/USN-2967-2

https://bugzilla.redhat.com/show_bug.cgi?id=1296253

https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439

https://security-tracker.debian.org/tracker/CVE-2016-0723

https://support.f5.com/csp/article/K43650115

Details

Source: MITRE

Published: 2016-02-08

Updated: 2016-12-06

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 5.6

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

Impact Score: 7.8

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 6.8

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

Impact Score: 4.2

Exploitability Score: 2.5

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 4.4.1 (inclusive)

Tenable Plugins

View all (27 total)

IDNameProductFamilySeverity
124972EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1519)NessusHuawei Local Security Checks
high
124813EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1489)NessusHuawei Local Security Checks
critical
93679OracleVM 3.4 : Unbreakable / etc (OVMSA-2016-0100)NessusOracleVM Local Security Checks
critical
93289SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2074-1)NessusSuSE Local Security Checks
critical
93148Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3596)NessusOracle Linux Local Security Checks
critical
91087Ubuntu 12.04 LTS : linux vulnerabilities (USN-2967-1)NessusUbuntu Local Security Checks
critical
90884SUSE SLES11 Security Update : kernel (SUSE-SU-2016:1203-1)NessusSuSE Local Security Checks
critical
90783openSUSE Security Update : the Linux Kernel (openSUSE-2016-518)NessusSuSE Local Security Checks
critical
90507Ubuntu 14.04 LTS : linux-lts-utopic regression (USN-2948-2)NessusUbuntu Local Security Checks
critical
90482openSUSE Security Update : the Linux Kernel (openSUSE-2016-445)NessusSuSE Local Security Checks
critical
90405Ubuntu 14.04 LTS : linux-lts-utopic vulnerabilities (USN-2948-1)NessusUbuntu Local Security Checks
critical
90264SUSE SLED11 / SLES11 Security Update : kernel (SUSE-SU-2016:0911-1)NessusSuSE Local Security Checks
critical
89995Ubuntu 15.10 : linux-raspi2 vulnerabilities (USN-2930-3)NessusUbuntu Local Security Checks
high
89993SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2016:0785-1)NessusSuSE Local Security Checks
critical
89937Ubuntu 14.04 LTS : linux-lts-vivid vulnerabilities (USN-2932-1)NessusUbuntu Local Security Checks
high
89935Ubuntu 14.04 LTS : linux-lts-wily vulnerabilities (USN-2930-2)NessusUbuntu Local Security Checks
high
89934Ubuntu 15.10 : linux vulnerabilities (USN-2930-1)NessusUbuntu Local Security Checks
high
89933Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2929-2)NessusUbuntu Local Security Checks
high
89932Ubuntu 14.04 LTS : linux vulnerabilities (USN-2929-1)NessusUbuntu Local Security Checks
high
89554Fedora 22 : kernel-4.3.4-200.fc22 (2016-5d43766e33)NessusFedora Local Security Checks
critical
89507Fedora 23 : kernel-4.3.4-300.fc23 (2016-2f25d12c51)NessusFedora Local Security Checks
critical
89122Debian DSA-3503-1 : linux - security updateNessusDebian Local Security Checks
critical
89022SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2016:0585-1)NessusSuSE Local Security Checks
high
88927openSUSE Security Update : the Linux Kernel (openSUSE-2016-256)NessusSuSE Local Security Checks
medium
88660Amazon Linux AMI : kernel (ALAS-2016-648)NessusAmazon Linux Local Security Checks
medium
88600Debian DLA-412-1 : linux-2.6 security updateNessusDebian Local Security Checks
medium
87995Debian DSA-3448-1 : linux - security updateNessusDebian Local Security Checks
high