Linux Kernel CVE-2018-18955 Local Privilege Escalation Vulnerability

Bugtraq ID:	105941
Class:	Unknown
CVE:	CVE-2018-18955
Remote:	No
Local:	Yes
Published:	Nov 16 2018 12:00AM
Updated:	Nov 16 2018 12:00AM
Credit:	Jann Horn
Vulnerable:	Linux kernel 4.1.4 Linux kernel 4.1.1 Linux kernel 4.0.6 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 3.16.58 Linux kernel 3.16.7 Linux kernel 3.16.2 Linux kernel 3.16.1 Linux kernel 3.15.10 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 3.10 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 4.18 Linux kernel 4.17 Linux kernel 4.16 Linux kernel 4.15 Linux kernel 4.1.15 Linux kernel 4.0.5 Linux kernel 4.0 Linux kernel 3.19 Linux kernel 3.18.9 Linux kernel 3.18 Linux kernel 3.16.6 Linux kernel 3.16.36 Linux kernel 3.16 Linux kernel 3.15 Linux kernel 3.14.79 Linux kernel 3.14.73 Linux kernel 3.14.7 Linux kernel 3.14.5 Linux kernel 3.14-rc7 Linux kernel 3.14-rc4 Linux kernel 3.14-rc3 Linux kernel 3.14-rc2 Linux kernel 3.14-rc1 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 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-rc5 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
Not Vulnerable:

Linux Kernel CVE-2018-18955 Local Privilege Escalation Vulnerability

Linux Kernel is prone to a local privilege-escalation vulnerability.

An attackers may exploit this issue to gain elevated privileges.

Linux Kernel CVE-2018-18955 Local Privilege Escalation Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Linux Kernel CVE-2018-18955 Local Privilege Escalation Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Linux Kernel CVE-2018-18955 Local Privilege Escalation Vulnerability

References:

• Linux kernel Homepage (kernel.org)
  
• userns: also map extents in the reverse map to kernel IDs (kernel.org)