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Symantec Security ResponseSMNTC-110214HistoryMar 19, 2018 - 12:00 a.m.
Linux Kernel CVE-2019-16921 Information Disclosure Vulnerability
2018-03-1900:00:00
Symantec Security Response
www.symantec.com
14
0.002 Low
EPSS
Percentile
53.2%
Description
Linux kernel is prone to an information-disclosure vulnerability. Attackers can exploit this issue to obtain sensitive information that may aid in launching further attacks. Versions prior to Linux kernel 4.17 are vulnerable.
Technologies Affected
- Linux kernel 2.0.0
- Linux kernel 2.0.1
- Linux kernel 2.0.10
- Linux kernel 2.0.11
- Linux kernel 2.0.12
- Linux kernel 2.0.13
- Linux kernel 2.0.14
- Linux kernel 2.0.15
- Linux kernel 2.0.16
- Linux kernel 2.0.17
- Linux kernel 2.0.18
- Linux kernel 2.0.19
- Linux kernel 2.0.2
- Linux kernel 2.0.20
- Linux kernel 2.0.21
- Linux kernel 2.0.22
- Linux kernel 2.0.23
- Linux kernel 2.0.24
- Linux kernel 2.0.25
- Linux kernel 2.0.26
- Linux kernel 2.0.27
- Linux kernel 2.0.28
- Linux kernel 2.0.29
- Linux kernel 2.0.3
- Linux kernel 2.0.30
- Linux kernel 2.0.31
- Linux kernel 2.0.32
- Linux kernel 2.0.33
- Linux kernel 2.0.34
- Linux kernel 2.0.35
- Linux kernel 2.0.36
- Linux kernel 2.0.37
- Linux kernel 2.0.38
- Linux kernel 2.0.39
- Linux kernel 2.0.4
- Linux kernel 2.0.40
- Linux kernel 2.0.5
- Linux kernel 2.0.6
- Linux kernel 2.0.7
- Linux kernel 2.0.8
- Linux kernel 2.0.9
- Linux kernel 2.1.0
- Linux kernel 2.1.132
- Linux kernel 2.1.89
- Linux kernel 2.2.0
- Linux kernel 2.2.1
- Linux kernel 2.2.10
- Linux kernel 2.2.11
- Linux kernel 2.2.12
- Linux kernel 2.2.13
- Linux kernel 2.2.14
- Linux kernel 2.2.15
- Linux kernel 2.2.16
- Linux kernel 2.2.17
- Linux kernel 2.2.18
- Linux kernel 2.2.19
- Linux kernel 2.2.2
- Linux kernel 2.2.20
- Linux kernel 2.2.21
- Linux kernel 2.2.22
- Linux kernel 2.2.23
- Linux kernel 2.2.24
- Linux kernel 2.2.25
- Linux kernel 2.2.26
- Linux kernel 2.2.3
- Linux kernel 2.2.4
- Linux kernel 2.2.5
- Linux kernel 2.2.6
- Linux kernel 2.2.7
- Linux kernel 2.2.8
- Linux kernel 2.2.9
- Linux kernel 2.3.0
- Linux kernel 2.3.1
- Linux kernel 2.3.10
- Linux kernel 2.3.11
- Linux kernel 2.3.12
- Linux kernel 2.3.13
- Linux kernel 2.3.14
- Linux kernel 2.3.15
- Linux kernel 2.3.16
- Linux kernel 2.3.17
- Linux kernel 2.3.18
- Linux kernel 2.3.19
- Linux kernel 2.3.2
- Linux kernel 2.3.20
- Linux kernel 2.3.21
- Linux kernel 2.3.22
- Linux kernel 2.3.23
- Linux kernel 2.3.24
- Linux kernel 2.3.25
- Linux kernel 2.3.26
- Linux kernel 2.3.27
- Linux kernel 2.3.28
- Linux kernel 2.3.29
- Linux kernel 2.3.3
- Linux kernel 2.3.30
- Linux kernel 2.3.31
- Linux kernel 2.3.32
- Linux kernel 2.3.33
- Linux kernel 2.3.34
- Linux kernel 2.3.35
- Linux kernel 2.3.36
- Linux kernel 2.3.37
- Linux kernel 2.3.38
- Linux kernel 2.3.39
- Linux kernel 2.3.4
- Linux kernel 2.3.40
- Linux kernel 2.3.41
- Linux kernel 2.3.42
- Linux kernel 2.3.43
- Linux kernel 2.3.44
- Linux kernel 2.3.45
- Linux kernel 2.3.46
- Linux kernel 2.3.47
- Linux kernel 2.3.48
- Linux kernel 2.3.49
- Linux kernel 2.3.5
- Linux kernel 2.3.50
- Linux kernel 2.3.51
- Linux kernel 2.3.6
- Linux kernel 2.3.7
- Linux kernel 2.3.8
- Linux kernel 2.3.9
- Linux kernel 2.3.99
- Linux kernel 2.4.0
- Linux kernel 2.4.1
- Linux kernel 2.4.2
- Linux kernel 2.4.3
- Linux kernel 2.4.4
- Linux kernel 2.4.5
- Linux kernel 2.4.6
- Linux kernel 2.4.7
- Linux kernel 2.4.8
- Linux kernel 2.4.9
- Linux kernel 2.5.0 .0
- Linux kernel 2.5.1
- Linux kernel 2.5.10
- Linux kernel 2.5.11
- Linux kernel 2.5.12
- Linux kernel 2.5.13
- Linux kernel 2.5.14
- Linux kernel 2.5.15
- Linux kernel 2.5.16
- Linux kernel 2.5.17
- Linux kernel 2.5.18
- Linux kernel 2.5.19
- Linux kernel 2.5.2
- Linux kernel 2.5.20
- Linux kernel 2.5.21
- Linux kernel 2.5.22
- Linux kernel 2.5.23
- Linux kernel 2.5.24
- Linux kernel 2.5.25
- Linux kernel 2.5.26
- Linux kernel 2.5.27
- Linux kernel 2.5.28
- Linux kernel 2.5.29
- Linux kernel 2.5.3
- Linux kernel 2.5.30
- Linux kernel 2.5.31
- Linux kernel 2.5.32
- Linux kernel 2.5.33
- Linux kernel 2.5.34
- Linux kernel 2.5.35
- Linux kernel 2.5.36
- Linux kernel 2.5.37
- Linux kernel 2.5.38
- Linux kernel 2.5.39
- Linux kernel 2.5.4
- Linux kernel 2.5.40
- Linux kernel 2.5.41
- Linux kernel 2.5.42
- Linux kernel 2.5.43
- Linux kernel 2.5.44
- Linux kernel 2.5.45
- Linux kernel 2.5.46
- Linux kernel 2.5.47
- Linux kernel 2.5.48
- Linux kernel 2.5.49
- Linux kernel 2.5.5
- Linux kernel 2.5.50
- Linux kernel 2.5.51
- Linux kernel 2.5.52
- Linux kernel 2.5.53
- Linux kernel 2.5.54
- Linux kernel 2.5.55
- Linux kernel 2.5.56
- Linux kernel 2.5.57
- Linux kernel 2.5.58
- Linux kernel 2.5.59
- Linux kernel 2.5.6
- Linux kernel 2.5.60
- Linux kernel 2.5.61
- Linux kernel 2.5.62
- Linux kernel 2.5.63
- Linux kernel 2.5.64
- Linux kernel 2.5.65
- Linux kernel 2.5.66
- Linux kernel 2.5.67
- Linux kernel 2.5.68
- Linux kernel 2.5.69
- Linux kernel 2.5.7
- Linux kernel 2.5.8
- Linux kernel 2.5.9
- Linux kernel 2.6
- Linux kernel 2.6.0
- Linux kernel 3.0
- Linux kernel 3.0-rc1
- Linux kernel 3.0-rc4-git1
- Linux kernel 3.0.1
- Linux kernel 3.0.18
- Linux kernel 3.0.2
- Linux kernel 3.0.34
- Linux kernel 3.0.37
- Linux kernel 3.0.4
- Linux kernel 3.0.5
- Linux kernel 3.0.58
- Linux kernel 3.0.59
- Linux kernel 3.0.60
- Linux kernel 3.0.62
- Linux kernel 3.0.65
- Linux kernel 3.0.66
- Linux kernel 3.0.69
- Linux kernel 3.0.72
- Linux kernel 3.0.75
- Linux kernel 3.0.98
- Linux kernel 3.1
- Linux kernel 3.1-rc1
- Linux kernel 3.1.8
- Linux kernel 3.10
- Linux kernel 3.10-rc5
- Linux kernel 3.10.0
- Linux kernel 3.10.10
- Linux kernel 3.10.14
- Linux kernel 3.10.17
- Linux kernel 3.10.20
- Linux kernel 3.10.21
- Linux kernel 3.10.22
- Linux kernel 3.10.23
- Linux kernel 3.10.26
- Linux kernel 3.10.27
- Linux kernel 3.10.30
- Linux kernel 3.10.31
- Linux kernel 3.10.36
- Linux kernel 3.10.37
- Linux kernel 3.10.38
- Linux kernel 3.10.41
- Linux kernel 3.10.43
- Linux kernel 3.10.45
- Linux kernel 3.10.5
- Linux kernel 3.10.7
- Linux kernel 3.10.73
- Linux kernel 3.10.81
- Linux kernel 3.10.9
- Linux kernel 3.10.90
- Linux kernel 3.11
- Linux kernel 3.11-rc1
- Linux kernel 3.11-rc4
- Linux kernel 3.11-rc7
- Linux kernel 3.11.3
- Linux kernel 3.11.6
- Linux kernel 3.11.9
- Linux kernel 3.12
- Linux kernel 3.12.1
- Linux kernel 3.12.11
- Linux kernel 3.12.12
- Linux kernel 3.12.14
- Linux kernel 3.12.15
- Linux kernel 3.12.16
- Linux kernel 3.12.17
- Linux kernel 3.12.18
- Linux kernel 3.12.2
- Linux kernel 3.12.21
- Linux kernel 3.12.22
- Linux kernel 3.12.3
- Linux kernel 3.12.4
- Linux kernel 3.12.40
- Linux kernel 3.12.44
- Linux kernel 3.12.48
- Linux kernel 3.12.49
- Linux kernel 3.12.7
- Linux kernel 3.13
- Linux kernel 3.13-rc1
- Linux kernel 3.13.0
- Linux kernel 3.13.1
- Linux kernel 3.13.11
- Linux kernel 3.13.3
- Linux kernel 3.13.4
- Linux kernel 3.13.5
- Linux kernel 3.13.6
- Linux kernel 3.13.7
- Linux kernel 3.13.9
- Linux kernel 3.14
- Linux kernel 3.14-1
- Linux kernel 3.14-4
- Linux kernel 3.14.2
- Linux kernel 3.14.3
- Linux kernel 3.14.37
- Linux kernel 3.14.4
- Linux kernel 3.14.45
- Linux kernel 3.14.5
- Linux kernel 3.14.54
- Linux kernel 3.14.7
- Linux kernel 3.14.73
- Linux kernel 3.14.79
- Linux kernel 3.15
- Linux kernel 3.15.10
- Linux kernel 3.15.2
- Linux kernel 3.15.5
- Linux kernel 3.16
- Linux kernel 3.16.1
- Linux kernel 3.16.2
- Linux kernel 3.16.36
- Linux kernel 3.16.58
- Linux kernel 3.16.6
- Linux kernel 3.16.7
- Linux kernel 3.17
- Linux kernel 3.17.2
- Linux kernel 3.17.4
- Linux kernel 3.17.6
- Linux kernel 3.18
- Linux kernel 3.18.1
- Linux kernel 3.18.11
- Linux kernel 3.18.137
- Linux kernel 3.18.140
- Linux kernel 3.18.17
- Linux kernel 3.18.2
- Linux kernel 3.18.22
- Linux kernel 3.18.3
- Linux kernel 3.18.7
- Linux kernel 3.18.8
- Linux kernel 3.18.9
- Linux kernel 3.19
- Linux kernel 3.19-rc
- Linux kernel 3.19-rc2
- Linux kernel 3.19-rc7
- Linux kernel 3.19.2
- Linux kernel 3.19.3
- Linux kernel 3.2
- Linux kernel 3.2.1
- Linux kernel 3.2.102
- Linux kernel 3.2.12
- Linux kernel 3.2.13
- Linux kernel 3.2.2
- Linux kernel 3.2.23
- Linux kernel 3.2.24
- Linux kernel 3.2.38
- Linux kernel 3.2.42
- Linux kernel 3.2.44
- Linux kernel 3.2.50
- Linux kernel 3.2.51
- Linux kernel 3.2.52
- Linux kernel 3.2.53
- Linux kernel 3.2.54
- Linux kernel 3.2.55
- Linux kernel 3.2.56
- Linux kernel 3.2.57
- Linux kernel 3.2.60
- Linux kernel 3.2.62
- Linux kernel 3.2.63
- Linux kernel 3.2.63-2
- Linux kernel 3.2.64
- Linux kernel 3.2.65
- Linux kernel 3.2.72
- Linux kernel 3.2.78
- Linux kernel 3.2.81
- Linux kernel 3.2.82
- Linux kernel 3.2.9
- Linux kernel 3.3
- Linux kernel 3.3-rc1
- Linux kernel 3.3.2
- Linux kernel 3.3.4
- Linux kernel 3.3.5
- Linux kernel 3.4
- Linux kernel 3.4.1
- Linux kernel 3.4.10
- Linux kernel 3.4.11
- Linux kernel 3.4.12
- Linux kernel 3.4.13
- Linux kernel 3.4.14
- Linux kernel 3.4.15
- Linux kernel 3.4.16
- Linux kernel 3.4.17
- Linux kernel 3.4.18
- Linux kernel 3.4.19
- Linux kernel 3.4.2
- Linux kernel 3.4.20
- Linux kernel 3.4.21
- Linux kernel 3.4.25
- Linux kernel 3.4.26
- Linux kernel 3.4.27
- Linux kernel 3.4.29
- Linux kernel 3.4.3
- Linux kernel 3.4.31
- Linux kernel 3.4.32
- Linux kernel 3.4.36
- Linux kernel 3.4.4
- Linux kernel 3.4.42
- Linux kernel 3.4.5
- Linux kernel 3.4.58
- Linux kernel 3.4.6
- Linux kernel 3.4.64
- Linux kernel 3.4.67
- Linux kernel 3.4.7
- Linux kernel 3.4.70
- Linux kernel 3.4.71
- Linux kernel 3.4.72
- Linux kernel 3.4.73
- Linux kernel 3.4.76
- Linux kernel 3.4.8
- Linux kernel 3.4.80
- Linux kernel 3.4.81
- Linux kernel 3.4.86
- Linux kernel 3.4.87
- Linux kernel 3.4.88
- Linux kernel 3.4.9
- Linux kernel 3.4.93
- Linux kernel 3.5
- Linux kernel 3.5-rc1
- Linux kernel 3.5.1
- Linux kernel 3.5.2
- Linux kernel 3.5.3
- Linux kernel 3.5.4
- Linux kernel 3.5.5
- Linux kernel 3.5.6
- Linux kernel 3.5.7
- Linux kernel 3.6
- Linux kernel 3.6-rc1
- Linux kernel 3.6.1
- Linux kernel 3.6.10
- Linux kernel 3.6.11
- Linux kernel 3.6.2
- Linux kernel 3.6.3
- Linux kernel 3.6.4
- Linux kernel 3.6.5
- Linux kernel 3.6.6
- Linux kernel 3.6.7
- Linux kernel 3.6.8
- Linux kernel 3.6.9
- Linux kernel 3.7
- Linux kernel 3.7-rc1
- Linux kernel 3.7.1
- Linux kernel 3.7.10
- Linux kernel 3.7.2
- Linux kernel 3.7.3
- Linux kernel 3.7.4
- Linux kernel 3.7.5
- Linux kernel 3.7.6
- Linux kernel 3.7.7
- Linux kernel 3.7.8
- Linux kernel 3.7.9
- Linux kernel 3.8
- Linux kernel 3.8-rc1
- Linux kernel 3.8.1
- Linux kernel 3.8.2
- Linux kernel 3.8.4
- Linux kernel 3.8.5
- Linux kernel 3.8.6
- Linux kernel 3.8.9
- Linux kernel 3.9
- Linux kernel 3.9-rc1
- Linux kernel 3.9-rc3
- Linux kernel 3.9-rc7
- Linux kernel 3.9-rc8
- Linux kernel 3.9.4
- Linux kernel 3.9.8
- Linux kernel 4.13.1
- Linux kernel 4.13.10
- Linux kernel 4.13.11
- Linux kernel 4.13.14
- Linux kernel 4.13.2
- Linux kernel 4.13.3
- Linux kernel 4.13.4
- Linux kernel 4.13.5
- Linux kernel 4.13.6
- Linux kernel 4.13.7
- Linux kernel 4.13.8
- Linux kernel 4.13.9
- Linux kernel 4.15
- Linux kernel 4.15.0
- Linux kernel 4.15.11
- Linux kernel 4.15.14
- Linux kernel 4.15.16
- Linux kernel 4.15.4
- Linux kernel 4.15.7
- Linux kernel 4.15.8
- Linux kernel 4.15.9
- Linux kernel 4.16
- Linux kernel 4.16.11
- Linux kernel 4.16.3
- Linux kernel 4.16.4
- Linux kernel 4.16.6
- Linux kernel 4.16.7
- Linux kernel 4.16.9
- Linux kernel 4.3.3
Recommendations
Block external access at the network boundary, unless external parties require service.
Filter access to the affected computer at the network boundary if global access isn’t needed. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.
Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.
Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to detect and block attacks and anomalous activity such as requests containing suspicious URI sequences. Since the webserver may log such requests, review its logs regularly.
Updates are available. Please see the references or vendor advisory for more information.
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