Linux kernel is prone to a local security bypass vulnerability.
Attackers can exploit this issue to bypass certain security restrictions and perform unauthorized actions.
Linux Kernel 3.2 and above versions are vulnerable.
Information
Redhat Enterprise Linux 7
Linux kernel 4.18.12
Linux kernel 4.18.11
Linux kernel 4.18.9
Linux kernel 4.18.6
Linux kernel 4.18.5
Linux kernel 4.14.71
Linux kernel 4.14.67
Linux kernel 4.14.31
Linux kernel 4.14.13
Linux kernel 4.14.11
Linux kernel 4.14.10
Linux kernel 4.14.6
Linux kernel 4.14.5
Linux kernel 4.14.1
Linux kernel 4.9.128
Linux kernel 4.9.91
Linux kernel 4.9.74
Linux kernel 4.9.71
Linux kernel 4.9.68
Linux kernel 4.9.36
Linux kernel 4.9.13
Linux kernel 4.9.8
Linux kernel 4.9.4
Linux kernel 4.9.3
Linux kernel 4.8.11
Linux kernel 4.4.125
Linux kernel 4.4.105
Linux kernel 4.4.27
Linux kernel 4.4.25
Linux kernel 4.4.24
Linux kernel 4.4.23
Linux kernel 4.4.22
Linux kernel 4.4.2
Linux kernel 4.2.3
Linux kernel 4.1.47
Linux kernel 4.1.4
Linux kernel 4.1.1
Linux kernel 4.0.6
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 3.2.82
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 4.9.9
Linux kernel 4.9.11
Linux kernel 4.9
Linux kernel 4.8.7
Linux kernel 4.8.6
Linux kernel 4.8.3
Linux kernel 4.8.14
Linux kernel 4.8.13
Linux kernel 4.8.12
Linux kernel 4.8.1
Linux kernel 4.8
Linux kernel 4.4.26
Linux kernel 4.4.14
Linux kernel 4.4.1
Linux kernel 4.4
Linux kernel 4.3.3
Linux kernel 4.2.8
Linux kernel 4.2
Linux kernel 4.18.1
Linux kernel 4.14.8
Linux kernel 4.14.7
Linux kernel 4.14.4
Linux kernel 4.14.3
Linux kernel 4.14.2
Linux kernel 4.14.15
Linux kernel 4.14.14
Linux kernel 4.14
Linux kernel 4.1.15
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
Linux kernel 3.8
Linux kernel 3.7.6
Linux kernel 3.7
Linux kernel 3.6
Linux kernel 3.5-rc1
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 3.2.81
Linux kernel 3.2.78
Linux kernel 3.2.65
Linux kernel 3.2.64
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
Google Android 0
Linux kernel 4.14.78
Linux kernel 4.9.135
Linux kernel 4.19
Exploit
The researcher has created a proof-of-concept to demonstrate the issue. Please see the references for more information.
References:
- Linux kernel Homepage (kernel.org)
- Change Log 4.14.78 (CDN Kernel)
- Change Log 4.18.16 (CDN Kernel)
- Change Log 4.9.135 (CDN Kernel)
- Linux: mremap() TLB flush too late with concurrent ftruncate() (Chromium)