Vulnerability Name:

CVE-2018-14609 (CCN-147619)

Assigned:2018-07-02
Published:2018-07-02
Updated:2019-08-13
Summary:An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
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-2018-14609

Source: CCN
Type: IBM Security Bulletin 744291 (VRA - Vyatta 5600)
Vyatta 5600 vRouter Software Patches - Release 1801-s, 1801-t and 1801-u

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
104917

Source: CCN
Type: BID-104917
Linux Kernel Multiple Denial of Service Vulnerabilities

Source: CCN
Type: Kernel.org Bugzilla – Bug 199833
Invalid pointer dereference in __del_reloc_root() when mounting a crafted btrfs image

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=199833

Source: XF
Type: UNKNOWN
linux-kernel-cve201814609-dos(147619)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20181003 [SECURITY] [DLA 1531-1] linux-4.9 security update

Source: CCN
Type: Patchwork Web site
btrfs: relocation: Only remove reloc rb_trees if reloc control has been initialized

Source: MISC
Type: Patch, Third Party Advisory
https://patchwork.kernel.org/patch/10500521/

Source: UBUNTU
Type: Third Party Advisory
USN-3821-1

Source: UBUNTU
Type: Third Party Advisory
USN-3821-2

Source: UBUNTU
Type: UNKNOWN
USN-4094-1

Source: UBUNTU
Type: UNKNOWN
USN-4118-1

Source: DEBIAN
Type: Third Party Advisory
DSA-4308

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-14609

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 4.17.10)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

  • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.17.10:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:api_connect:5.0.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:api_connect:5.0.8.4:*:*:*:*:*:*:*
  • OR cpe:/o:ibm:virtual_router_appliance_firmware:vyatta_5600:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2018146090000000
    V
    CVE-2018-14609 on Ubuntu 19.04 (disco) - low.
    2018-07-27
    oval:com.ubuntu.bionic:def:201814609000
    V
    CVE-2018-14609 on Ubuntu 18.04 LTS (bionic) - low.
    2018-07-27
    oval:com.ubuntu.cosmic:def:2018146090000000
    V
    CVE-2018-14609 on Ubuntu 18.10 (cosmic) - low.
    2018-07-27
    oval:com.ubuntu.cosmic:def:201814609000
    V
    CVE-2018-14609 on Ubuntu 18.10 (cosmic) - low.
    2018-07-27
    oval:com.ubuntu.bionic:def:2018146090000000
    V
    CVE-2018-14609 on Ubuntu 18.04 LTS (bionic) - low.
    2018-07-27
    oval:com.ubuntu.trusty:def:201814609000
    V
    CVE-2018-14609 on Ubuntu 14.04 LTS (trusty) - low.
    2018-07-27
    oval:com.ubuntu.xenial:def:2018146090000000
    V
    CVE-2018-14609 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-27
    oval:com.ubuntu.xenial:def:201814609000
    V
    CVE-2018-14609 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-27
    BACK
    linux linux kernel *
    debian debian linux 8.0
    debian debian linux 9.0
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    linux linux kernel 4.17.10
    ibm api connect 5.0.8.0
    ibm api connect 5.0.8.4
    ibm virtual router appliance firmware vyatta_5600