Linux Kernel CVE-2016-0723 Local Race Condition Vulnerability

Linux kernel is prone to a local race-condition vulnerability.

Local attacker can exploit this issue to obtain sensitive information or crash the application, resulting in a denial-of-service condition.

Information

Bugtraq ID: 82950
Class: Design Error
CVE: CVE-2016-0723

Remote: No
Local: Yes
Published: Feb 08 2016 12:00AM
Credit: Milos Vyletel of Red Hat
Vulnerable: Ubuntu Ubuntu Linux 14.04 LTS
Ubuntu Ubuntu Linux 12.04 LTS i386
Ubuntu Ubuntu Linux 12.04 LTS amd64
S.u.S.E. openSUSE 13.2
Redhat Enterprise Mrg 2
Redhat Enterprise Linux 7
Redhat Enterprise Linux 6
Redhat Enterprise Linux 5
Linux kernel 4.2.3
Linux kernel 4.1.1
Linux kernel 4.0.6
Linux kernel 3.19.3
Linux kernel 3.18.22
Linux kernel 3.18.17
Linux kernel 3.18.11
Linux kernel 3.18.8
Linux kernel 3.18.7
Linux kernel 3.18.3
Linux kernel 3.18.2
Linux kernel 3.18.1
Linux kernel 3.17.4
Linux kernel 3.17.2
Linux kernel 3.16.7
Linux kernel 3.16.2
Linux kernel 3.16.1
Linux kernel 3.15.5
Linux kernel 3.15.2
Linux kernel 3.14.54
Linux kernel 3.14.45
Linux kernel 3.14.37
Linux kernel 3.14.4
Linux kernel 3.14.3
Linux kernel 3.14.2
Linux kernel 3.13.11
Linux kernel 3.13.9
Linux kernel 3.13.3
Linux kernel 3.13.1
Linux kernel 3.12.49
Linux kernel 3.12.48
Linux kernel 3.12.44
Linux kernel 3.12.40
Linux kernel 3.12.21
Linux kernel 3.12.18
Linux kernel 3.12.17
Linux kernel 3.12.16
Linux kernel 3.12.11
Linux kernel 3.12.7
Linux kernel 3.12.4
Linux kernel 3.12.3
Linux kernel 3.12.2
Linux kernel 3.11.3
Linux kernel 3.10.90
Linux kernel 3.10.81
Linux kernel 3.10.73
Linux kernel 3.10.45
Linux kernel 3.10.41
Linux kernel 3.10.38
Linux kernel 3.10.37
Linux kernel 3.10.36
Linux kernel 3.10.30
Linux kernel 3.10.27
Linux kernel 3.10.26
Linux kernel 3.10.23
Linux kernel 3.10.22
Linux kernel 3.10.21
Linux kernel 3.10.14
Linux kernel 3.10.10
Linux kernel 3.10.9
Linux kernel 3.10.7
Linux kernel 3.8.9
Linux kernel 3.8.6
Linux kernel 3.8.5
Linux kernel 3.8.4
Linux kernel 3.8.2
Linux kernel 3.8.1
Linux kernel 3.7.10
Linux kernel 3.7.9
Linux kernel 3.7.8
Linux kernel 3.7.7
Linux kernel 3.7.5
Linux kernel 3.7.4
Linux kernel 3.7.3
Linux kernel 3.7.2
Linux kernel 3.7.1
Linux kernel 3.6.11
Linux kernel 3.6.10
Linux kernel 3.6.9
Linux kernel 3.6.8
Linux kernel 3.6.7
Linux kernel 3.6.6
Linux kernel 3.6.5
Linux kernel 3.6.4
Linux kernel 3.6.3
Linux kernel 3.6.2
Linux kernel 3.6.1
Linux kernel 3.5.7
Linux kernel 3.5.6
Linux kernel 3.5.5
Linux kernel 3.5.4
Linux kernel 3.5.3
Linux kernel 3.5.2
Linux kernel 3.5.1
Linux kernel 3.4.88
Linux kernel 3.4.87
Linux kernel 3.4.86
Linux kernel 3.4.80
Linux kernel 3.4.76
Linux kernel 3.4.73
Linux kernel 3.4.72
Linux kernel 3.4.71
Linux kernel 3.4.64
Linux kernel 3.4.58
Linux kernel 3.4.42
Linux kernel 3.4.36
Linux kernel 3.4.32
Linux kernel 3.4.31
Linux kernel 3.4.27
Linux kernel 3.4.26
Linux kernel 3.4.25
Linux kernel 3.4.21
Linux kernel 3.4.20
Linux kernel 3.4.19
Linux kernel 3.4.18
Linux kernel 3.4.17
Linux kernel 3.4.16
Linux kernel 3.4.15
Linux kernel 3.4.14
Linux kernel 3.4.13
Linux kernel 3.4.12
Linux kernel 3.4.11
Linux kernel 3.4.10
Linux kernel 3.4.9
Linux kernel 3.4.8
Linux kernel 3.4.7
Linux kernel 3.4.6
Linux kernel 3.4.5
Linux kernel 3.4.4
Linux kernel 3.4.3
Linux kernel 3.4.2
Linux kernel 3.4.1
Linux kernel 3.3.5
Linux kernel 3.3.4
Linux kernel 3.3.2
Linux kernel 3.2.72
Linux kernel 3.2.62
Linux kernel 3.2.57
Linux kernel 3.2.56
Linux kernel 3.2.51
Linux kernel 3.2.24
Linux kernel 3.2.23
Linux kernel 3.2.13
Linux kernel 3.2.12
Linux kernel 3.2.9
Linux kernel 3.2.1
Linux kernel 3.1.8
Linux kernel 3.0.98
Linux kernel 3.0.75
Linux kernel 3.0.72
Linux kernel 3.0.69
Linux kernel 3.0.65
Linux kernel 3.0.60
Linux kernel 3.0.59
Linux kernel 3.0.58
Linux kernel 3.0.37
Linux kernel 3.0.34
Linux kernel 3.0.5
Linux kernel 3.0.4
Linux kernel 3.0.2
Linux kernel 3.0.1
Linux kernel 2.6.39
Linux kernel 2.6.37
Linux kernel 2.6.36
Linux kernel 2.6.35
Linux kernel 2.6.34
Linux kernel 2.6.32 .9
Linux kernel 2.6.32
Linux kernel 2.6.31
Linux kernel 2.6.30
Linux kernel 2.6.29
Linux kernel 2.6.28
Linux kernel 2.6.27
Linux kernel 2.6.26
Linux kernel 2.6.25
Linux kernel 2.6.24
Linux kernel 2.6.23
Linux kernel 2.6.22
Linux kernel 2.6.21
Linux kernel 2.6.19
Linux kernel 2.6.17
Linux kernel 2.6.16
Linux kernel 2.6.15
Linux kernel 2.6.14
Linux kernel 2.6.13 .4
Linux kernel 2.6.13 .3
Linux kernel 2.6.13 .2
Linux kernel 2.6.13 .1
Linux kernel 2.6.13
Linux kernel 2.6.12 .6
Linux kernel 2.6.12 .5
Linux kernel 2.6.12 .4
Linux kernel 2.6.12 .3
Linux kernel 2.6.12 .22
Linux kernel 2.6.12 .2
Linux kernel 2.6.12 .12
Linux kernel 2.6.12 .1
Linux kernel 2.6.12
Linux kernel 2.6.9
Linux kernel 2.6.8
Linux kernel 2.6.7
Linux kernel 2.6.6
Linux kernel 2.6.5
Linux kernel 2.6.4
Linux kernel 2.6.3
Linux kernel 2.6
Linux kernel 4.4.1
Linux kernel 4.4-rc5
Linux kernel 4.4-rc4
Linux kernel 4.4-rc1
Linux kernel 4.4
Linux kernel 4.3.3
Linux kernel 4.3-rc1
Linux kernel 4.2.8
Linux kernel 4.2
Linux kernel 4.1.15
Linux kernel 4.1-rc7
Linux kernel 4.1-rc6
Linux kernel 4.1-rc3
Linux kernel 4.1-rc1
Linux kernel 4.1
Linux kernel 4.0.5
Linux kernel 4.0
Linux kernel 3.9.8
Linux kernel 3.9.4
Linux kernel 3.9-rc8
Linux kernel 3.9-rc7
Linux kernel 3.9-rc3
Linux kernel 3.9
Linux kernel 3.8-rc1
Linux kernel 3.8
Linux kernel 3.7.6
Linux kernel 3.7-rc1
Linux kernel 3.7
Linux kernel 3.6
Linux kernel 3.5
Linux kernel 3.4.93
Linux kernel 3.4.81
Linux kernel 3.4.70
Linux kernel 3.4.67
Linux kernel 3.4.29
Linux kernel 3.4
Linux kernel 3.3
Linux kernel 3.2.65
Linux kernel 3.2.64
Linux kernel 3.2.63-2
Linux kernel 3.2.63
Linux kernel 3.2.60
Linux kernel 3.2.55
Linux kernel 3.2.54
Linux kernel 3.2.53
Linux kernel 3.2.52
Linux kernel 3.2.50
Linux kernel 3.2.44
Linux kernel 3.2.42
Linux kernel 3.2.38
Linux kernel 3.2.2
Linux kernel 3.2
Linux kernel 3.19-rc7
Linux kernel 3.19-rc2
Linux kernel 3.19-rc
Linux kernel 3.19
Linux kernel 3.18.9
Linux kernel 3.18
Linux kernel 3.17.6
Linux kernel 3.17-rc3
Linux kernel 3.17
Linux kernel 3.16.6
Linux kernel 3.16
Linux kernel 3.15
Linux kernel 3.14.7
Linux kernel 3.14.5
Linux kernel 3.14-rc7
Linux kernel 3.14-rc4
Linux kernel 3.14-4
Linux kernel 3.14-1
Linux kernel 3.14
Linux kernel 3.13.7
Linux kernel 3.13.6
Linux kernel 3.13.5
Linux kernel 3.13.4
Linux kernel 3.13.0
Linux kernel 3.13-rc1
Linux kernel 3.13
Linux kernel 3.12.22
Linux kernel 3.12.15
Linux kernel 3.12.14
Linux kernel 3.12.12
Linux kernel 3.12.1
Linux kernel 3.12
Linux kernel 3.11.9
Linux kernel 3.11.6
Linux kernel 3.11-rc7
Linux kernel 3.11-rc4
Linux kernel 3.11-rc1
Linux kernel 3.11
Linux kernel 3.10.5
Linux kernel 3.10.43
Linux kernel 3.10.31
Linux kernel 3.10.20
Linux kernel 3.10.17
Linux kernel 3.10
Linux kernel 3.1
Linux kernel 3.0.66
Linux kernel 3.0.62
Linux kernel 3.0.18
Linux kernel 3.0-rc1
Linux kernel 3.0
Linux kernel 2.6.8.1
Linux kernel 2.6.38.6
Linux kernel 2.6.38.4
Linux kernel 2.6.38.3
Linux kernel 2.6.38.2
Linux kernel 2.6.37.2
Linux kernel 2.6.35.5
Linux kernel 2.6.35.4
Linux kernel 2.6.35.13
Linux kernel 2.6.35.1
Linux kernel 2.6.34.3
Linux kernel 2.6.34.2
Linux kernel 2.6.34.14
Linux kernel 2.6.34.13
Linux kernel 2.6.34.1
Linux kernel 2.6.32.8
Linux kernel 2.6.32.7
Linux kernel 2.6.32.62
Linux kernel 2.6.32.61
Linux kernel 2.6.32.60
Linux kernel 2.6.32.6
Linux kernel 2.6.32.5
Linux kernel 2.6.32.4
Linux kernel 2.6.32.3
Linux kernel 2.6.32.28
Linux kernel 2.6.32.22
Linux kernel 2.6.32.2
Linux kernel 2.6.32.18
Linux kernel 2.6.32.17
Linux kernel 2.6.32.16
Linux kernel 2.6.32.15
Linux kernel 2.6.32.14
Linux kernel 2.6.32.13
Linux kernel 2.6.32.12
Linux kernel 2.6.32.11
Linux kernel 2.6.32.10
Linux kernel 2.6.32.1
Linux kernel 2.6.31.6
Linux kernel 2.6.31.4
Linux kernel 2.6.31.1
Linux kernel 2.6.30.5
Linux kernel 2.6.30.4
Linux kernel 2.6.30.3
Linux kernel 2.6.28.4
Linux kernel 2.6.27.54
Linux kernel 2.6.27.51
Linux kernel 2.6.27.49
Linux kernel 2.6.27.26
Linux kernel 2.6.26.1
Linux kernel 2.6.25.4
Linux kernel 2.6.25.3
Linux kernel 2.6.25.2
Linux kernel 2.6.25.1
Linux kernel 2.6.24.6
Linux kernel 2.6.24.4
Linux kernel 2.6.24.3
Linux kernel 2.6.23.14
Linux kernel 2.6.23.10
Linux kernel 2.6.23.1
Linux kernel 2.6.20.3
Linux kernel 2.6.20.2
Linux kernel 2.6.20.13
Linux kernel 2.6.20.11
Linux kernel 2.6.18.1
Linux kernel 2.6.18
Linux kernel 2.6.16.9
Linux kernel 2.6.16.7
Linux kernel 2.6.16.19
Linux kernel 2.6.16.13
Linux kernel 2.6.16.12
Linux kernel 2.6.16.11
Linux kernel 2.6.15.5
Linux kernel 2.6.15.4
Linux kernel 2.6.15.11
Linux kernel 2.6.14.3
Linux kernel 2.6.14.2
Linux kernel 2.6.14.1
Linux kernel 2.6.13.4
Linux kernel 2.6.13.3
Linux kernel 2.6.13.2
Linux kernel 2.6.13.1
Linux kernel 2.6.12.6
Linux kernel 2.6.12.5
Linux kernel 2.6.12.4
Linux kernel 2.6.12.3
Linux kernel 2.6.12.2
Linux kernel 2.6.12.1
Linux kernel 2.6.11.8
Linux kernel 2.6.11.7
Linux kernel 2.6.11.6
Linux kernel 2.6.11.5
Linux kernel 2.6.11.4
Linux kernel 2.6.11.12
Linux kernel 2.6.11.11
Google Pixel C 0
Google Nexus Player 0
Google Nexus 9
Google Nexus 7
Google Nexus 6P
Google Nexus 6
Google Nexus 5X
Google Nexus 5
Fortinet Fortios 5.4.3
Fortinet Fortios 5.4.2
Fortinet Fortios 5.4.1
Fortinet Fortios 5.4.0
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64

Not Vulnerable: Linux kernel 4.5-rc2
Fortinet Fortios 5.6
Fortinet Fortios 5.4.4

References:

• Linux kernel Homepage (kernel.org)
  
• tty: Fix unsafe ldisc reference via ioctl(TIOCGETD) (Linux)
  
• Android Security Bulletinâ??July 2016 (Google)
  
• Bug 1296253 - (CVE-2016-0723) CVE-2016-0723 kernel: Kernel memory disclosure and (Red Hat)
  
• Linux Kernel tty_ioctl Vulnerability (Fortinet)
  

Source: www.securityfocus.com