Vulnerability Name:

CVE-2015-8966 (CCN-120133)

Assigned:2016-10-03
Published:2016-10-03
Updated:2016-12-10
Summary:arch/arm/kernel/sys_oabi-compat.c in the Linux kernel before 4.4 allows local users to gain privileges via a crafted (1) F_OFD_GETLK, (2) F_OFD_SETLK, or (3) F_OFD_SETLKW command in an fcntl64 system call.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
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:7.2 High (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
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-264
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2015-8966

Source: CONFIRM
Type: Third Party Advisory
http://source.android.com/security/bulletin/2016-12-01.html

Source: BID
Type: UNKNOWN
94673

Source: CCN
Type: BID-94673
Linux Kernel CVE-2015-8966 Local Privilege Escalation Vulnerability

Source: XF
Type: UNKNOWN
linux-kernel-cve20158966-priv-esc(120133)

Source: CCN
Type: Linux Kernel GIT Repository
[PATCH] arm: fix handling of F_OFD_... in oabi_fcntl64()

Source: CONFIRM
Type: Issue Tracking, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=76cc404bfdc0d419c720de4daaf2584542734f42

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/76cc404bfdc0d419c720de4daaf2584542734f42

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 4.3.6)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.3:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20158966000
    V
    		CVE-2015-8966 on Ubuntu 17.10 (artful) - medium.
    2016-12-08
    oval:com.ubuntu.xenial:def:201589660000000
    V
    		CVE-2015-8966 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-12-08
    oval:com.ubuntu.precise:def:20158966000
    V
    		CVE-2015-8966 on Ubuntu 12.04 LTS (precise) - medium.
    2016-12-08
    oval:com.ubuntu.trusty:def:20158966000
    V
    		CVE-2015-8966 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-12-08
    oval:com.ubuntu.xenial:def:20158966000
    V
    		CVE-2015-8966 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-12-08
    BACK
    linux linux kernel *
    linux linux kernel 4.3