Vulnerability Name:

CVE-2014-8172 (CCN-101485)

Assigned:2013-11-09
Published:2013-11-09
Updated:2015-03-24
Summary:The filesystem implementation in the Linux kernel before 3.13 performs certain operations on lists of files with an inappropriate locking approach, which allows local users to cause a denial of service (soft lockup or system crash) via unspecified use of Asynchronous I/O (AIO) operations.
CVSS v3 Severity: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)
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:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC: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
4.9 Medium (REDHAT CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (REDHAT Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-17
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2014-8172

Source: CONFIRM
Type: UNKNOWN
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=eee5cc2702929fd41cce28058dc6d6717f723f87

Source: CCN
Type: Linux Kernel GIT Repository
get rid of s_files and files_lock

Source: REDHAT
Type: UNKNOWN
RHSA-2015:0290

Source: CCN
Type: RHSA-2015-0694
Important: kernel-rt security, bug fix, and enhancement update

Source: REDHAT
Type: UNKNOWN
RHSA-2015:0694

Source: CCN
Type: oss-security Mailing List, Mon, 09 Mar 2015 16:24:56 +0000
CVE-2014-8172

Source: CCN
Type: IBM Security Bulletin T1022146
Multiple Kernel vulnerabilities affect PowerKVM (Multiple CVEs)

Source: MLIST
Type: UNKNOWN
[oss-security] 20150309 CVE-2014-8172

Source: CCN
Type: BID-72994
Linux Kernel 'fs/file_table.c' Local Denial of Service Vulnerability

Source: CCN
Type: Red Hat Bugzilla – Bug 1198503
(CVE-2014-8172) CVE-2014-8172 kernel: soft lockup on aio

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=1198503

Source: XF
Type: UNKNOWN
linux-kernel-cve20148172-dos(101485)

Source: CONFIRM
Type: UNKNOWN
https://github.com/torvalds/linux/commit/eee5cc2702929fd41cce28058dc6d6717f723f87

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-8172

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 3.12.17)

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:powerkvm:2.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201481720000000
    V
    		CVE-2014-8172 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-03-16
    oval:com.ubuntu.precise:def:20148172000
    V
    		CVE-2014-8172 on Ubuntu 12.04 LTS (precise) - medium.
    2015-03-16
    oval:com.ubuntu.trusty:def:20148172000
    V
    		CVE-2014-8172 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-03-16
    oval:com.ubuntu.xenial:def:20148172000
    V
    		CVE-2014-8172 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-03-16
    oval:com.redhat.rhsa:def:20150290
    P
    		RHSA-2015:0290: kernel security, bug fix, and enhancement update (Important)
    2015-03-05
    BACK
    linux linux kernel *
    linux linux kernel -
    ibm powerkvm 2.1