Vulnerability Name:

CVE-2018-14656 (CCN-150824)

Assigned:2018-08-27
Published:2018-08-27
Updated:2023-02-13
Summary:
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2018-14656

Source: secalert@redhat.com
Type: Third Party Advisory, VDB Entry
secalert@redhat.com

Source: CCN
Type: Google Project Zero Issue 1650
Linux: arbitrary kernel read into dmesg via missing address check in segfault handler

Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: CCN
Type: Red Hat Bugzilla – Bug 1629940
(CVE-2018-14656) CVE-2018-14656 kernel: Arbitrary Kernel Read into dmesg via Missing Address Check in segfault Handler

Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
linux-kernel-cve201814656-info-disc(150824)

Source: CCN
Type: Linux Kernel GIT Repository
x86/dumpstack: Don't dump kernel memory based on usermode RIP

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: oss-sec Mailing List, Thu, 4 Oct 2018 05:14:42 -0400 (EDT)
CVE-2018-14656: Linux kernel: arbitrary kernel memory dump into the dmesg log

Source: secalert@redhat.com
Type: Mailing List, Patch, Third Party Advisory
secalert@redhat.com

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.18:rc1:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201814656000
    V
    		CVE-2018-14656 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-10-08
    oval:com.ubuntu.cosmic:def:2018146560000000
    V
    		CVE-2018-14656 on Ubuntu 18.10 (cosmic) - medium.
    2018-10-08
    oval:com.ubuntu.cosmic:def:201814656000
    V
    		CVE-2018-14656 on Ubuntu 18.10 (cosmic) - medium.
    2018-10-08
    oval:com.ubuntu.bionic:def:2018146560000000
    V
    		CVE-2018-14656 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-10-08
    oval:com.ubuntu.trusty:def:201814656000
    V
    		CVE-2018-14656 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-10-08
    oval:com.ubuntu.xenial:def:2018146560000000
    V
    		CVE-2018-14656 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-10-08
    oval:com.ubuntu.xenial:def:201814656000
    V
    		CVE-2018-14656 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-10-08
    BACK
    linux linux kernel 4.18 rc1