Vulnerability Name:

CVE-2016-5728 (CCN-114476)

Assigned:2016-04-25
Published:2016-04-25
Updated:2016-11-28
Summary:Race condition in the vop_ioctl function in drivers/misc/mic/vop/vop_vringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (memory corruption and system crash) by changing a certain header, aka a "double fetch" vulnerability.
CVSS v3 Severity:6.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H)
5.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:5.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-5728

Source: CCN
Type: Linux Kernel GIT Repository
misc: mic: Fix for double fetch security bug in VOP driver

Source: CONFIRM
Type: Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9bf292bfca94694a721449e3fd752493856710f6

Source: DEBIAN
Type: UNKNOWN
DSA-3616

Source: CONFIRM
Type: UNKNOWN
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1

Source: BUGTRAQ
Type: UNKNOWN
20160630 [CVE-2016-5728] Double-Fetch Vulnerability in Linux-4.5/drivers/misc/mic/host/mic_virtio.c

Source: CCN
Type: BID-91477
Linux Kernel CVE-2016-5728 Local Race Condition Vulnerability

Source: UBUNTU
Type: UNKNOWN
USN-3070-1

Source: UBUNTU
Type: UNKNOWN
USN-3070-2

Source: UBUNTU
Type: UNKNOWN
USN-3070-3

Source: UBUNTU
Type: UNKNOWN
USN-3070-4

Source: UBUNTU
Type: UNKNOWN
USN-3071-1

Source: UBUNTU
Type: UNKNOWN
USN-3071-2

Source: CCN
Type: Kernel Bug Tracker – Bug 116651
Double-Fetch bug in Linux-4.5/drivers/misc/mic/host/mic_virtio.c

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.kernel.org/show_bug.cgi?id=116651

Source: XF
Type: UNKNOWN
linux-cve20165728-dos(114476)

Source: CONFIRM
Type: Vendor Advisory
https://github.com/torvalds/linux/commit/9bf292bfca94694a721449e3fd752493856710f6

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-5728

Vulnerable Configuration:Configuration 1:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 4.6)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.cisecurity:def:966
    P
    		DSA-3616-1 -- linux -- security update
    2016-08-26
    oval:com.ubuntu.precise:def:20165728000
    V
    		CVE-2016-5728 on Ubuntu 12.04 LTS (precise) - medium.
    2016-06-27
    oval:com.ubuntu.xenial:def:201657280000000
    V
    		CVE-2016-5728 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-06-27
    oval:com.ubuntu.trusty:def:20165728000
    V
    		CVE-2016-5728 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-06-27
    oval:com.ubuntu.xenial:def:20165728000
    V
    		CVE-2016-5728 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-06-27
    BACK
    debian debian linux 8.0
    linux linux kernel *
    linux linux kernel 4.6