Vulnerability Name:

CVE-2015-9016

Assigned:2017-03-28
Published:2018-04-05
Updated:2018-04-17
Summary:In blk_mq_tag_to_rq in blk-mq.c in the upstream kernel, there is a possible use after free due to a race condition when a request has been previously freed by blk_mq_complete_request. This could lead to local escalation of privilege. Product: Android. Versions: Android kernel. Android ID: A-63083046.
CVSS v3 Severity:7.0 High (CVSS v3 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
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): High
Availibility (A): High
9.3 Critical (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.9 Medium (CCN CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-264
References:Source: CONFIRM
Type: VENDOR_ADVISORY
https://github.com/torvalds/linux/commit/0048b4837affd153897ed1222283492070027aa9

Source: CONFIRM
Type: VENDOR_ADVISORY
https://source.android.com/security/bulletin/2018-02-01

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:-:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20159016000
    V
    CVE-2015-9016 on Ubuntu 17.10 (artful) - medium.
    2018-04-05
    oval:com.ubuntu.xenial:def:20159016000
    V
    CVE-2015-9016 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-04-05
    oval:com.ubuntu.trusty:def:20159016000
    V
    CVE-2015-9016 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-04-05
    BACK
    google android -