Vulnerability Name:

CVE-2017-18216 (CCN-139923)

Assigned:2017-11-15
Published:2017-11-15
Updated:2018-10-30
Summary:In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/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): None
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-18216

Source: MISC
Type: Patch, Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=853bc26a7ea39e354b9f8889ae7ad1492ffa28d2

Source: CCN
Type: IBM Security Bulletin 843434 (API Connect)
IBM API Connect has addressed multiple vulnerabilities in Developer Portal's dependencies - Cumulative list from June 28, 2018 to December 13, 2018

Source: BID
Type: Third Party Advisory, VDB Entry
103278

Source: CCN
Type: BID-103278
Linux Kernel 'fs/ocfs2/cluster/nodemanager.c' Local Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
linux-kernel-cve201718216-dos(139923)

Source: CCN
Type: Linux Kernel GIT Repository
ocfs2: subsystem.su_mutex is required while accessing the item->ci_parent

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/853bc26a7ea39e354b9f8889ae7ad1492ffa28d2

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update

Source: UBUNTU
Type: UNKNOWN
USN-3776-1

Source: UBUNTU
Type: UNKNOWN
USN-3776-2

Source: UBUNTU
Type: UNKNOWN
USN-3798-1

Source: UBUNTU
Type: UNKNOWN
USN-3798-2

Source: DEBIAN
Type: UNKNOWN
DSA-4187

Source: DEBIAN
Type: UNKNOWN
DSA-4188

Source: CCN
Type: IBM Security Bulletin 872832 (iDataPlex dx360 M4)
Multiple vulnerabilities affect Intel Manycore Platform Software Stack (Intel MPSS) for Linux and Windows

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 4.15)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.14:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:api_connect:5.0.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:api_connect:5.0.8.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017182160000000
    V
    		CVE-2017-18216 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-03-05
    oval:com.ubuntu.artful:def:201718216000
    V
    		CVE-2017-18216 on Ubuntu 17.10 (artful) - medium.
    2018-03-05
    oval:com.ubuntu.xenial:def:201718216000
    V
    		CVE-2017-18216 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-03-05
    oval:com.ubuntu.bionic:def:201718216000
    V
    		CVE-2017-18216 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-03-05
    oval:com.ubuntu.cosmic:def:2017182160000000
    V
    		CVE-2017-18216 on Ubuntu 18.10 (cosmic) - medium.
    2018-03-05
    oval:com.ubuntu.cosmic:def:201718216000
    V
    		CVE-2017-18216 on Ubuntu 18.10 (cosmic) - medium.
    2018-03-05
    oval:com.ubuntu.bionic:def:2017182160000000
    V
    		CVE-2017-18216 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-03-05
    oval:com.ubuntu.trusty:def:201718216000
    V
    		CVE-2017-18216 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-03-05
    BACK
    linux linux kernel *
    linux linux kernel 4.14
    ibm api connect 5.0.8.0
    ibm api connect 5.0.8.4