Vulnerability Name:

CVE-2016-9685

Assigned:2016-11-30
Published:2016-12-01
Updated:2018-01-04
Summary:Multiple memory leaks in error paths in fs/xfs/xfs_attr_list.c in the Linux kernel before 4.5.1 allow local users to cause a denial of service (memory consumption) via crafted XFS filesystem operations.
CVSS v3 Severity:5.5 Medium (CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3 Vector: CVSS:3.0/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
5.5 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/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
3.8 Low (REDHAT CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N)
3.3 Low (REDHAT Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/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): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.9 Medium (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
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
2.1 Low (REDHAT 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
Vulnerability Type:CWE-400
CWE-772
References:Source: CONFIRM
Type: VENDOR_ADVISORY
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e83b79b2d6c78bf1b4aa227938a214dcbddc83f

Source: CONFIRM
Type: UNKNOWN
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1

Source: MLIST
Type: PATCH
[oss-security] 20161130 cve-request: linux kernel - memory leak in xfs attribute mechanism.

Source: BID
Type: UNKNOWN
94593

Source: REDHAT
Type: UNKNOWN
RHSA-2017:1842

Source: REDHAT
Type: UNKNOWN
RHSA-2017:2077

Source: REDHAT
Type: UNKNOWN
RHSA-2017:2669

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=1396941

Source: XF
Type: UNKNOWN
linux-kernel-cve20169685-dos(120243)

Source: CONFIRM
Type: VENDOR_ADVISORY
https://github.com/torvalds/linux/commit/2e83b79b2d6c78bf1b4aa227938a214dcbddc83f

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:4.5.0:*:*:*:*:*:*:*

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

  • Configuration RedHat 2:
  • cpe:/a:redhat:rhel_extras_rt:7:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.5.0:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:powerkvm:3.1:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20169685
    V
    CVE-2016-9685
    2018-02-18
    oval:com.redhat.rhsa:def:20171842
    P
    RHSA-2017:1842: kernel security, bug fix, and enhancement update (Important)
    2017-08-01
    oval:com.redhat.rhsa:def:20172077
    P
    RHSA-2017:2077: kernel-rt security, bug fix, and enhancement update (Important)
    2017-08-01
    oval:com.ubuntu.xenial:def:20169685000
    V
    CVE-2016-9685 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-12-28
    oval:com.ubuntu.precise:def:20169685000
    V
    CVE-2016-9685 on Ubuntu 12.04 LTS (precise) - medium.
    2016-12-28
    oval:com.ubuntu.trusty:def:20169685000
    V
    CVE-2016-9685 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-12-28
    BACK
    linux linux kernel 4.5.0
    linux linux kernel 4.5.0
    ibm powerkvm 3.1