Vulnerability Name:

CVE-2014-9940 (CCN-127318)

Assigned:2017-05-01
Published:2017-05-01
Updated:2017-11-04
Summary:The regulator_ena_gpio_free function in drivers/regulator/core.c in the Linux kernel before 3.19 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted application.
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
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:7.6 High (CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
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-416
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2014-9940

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=60a2362f769cf549dc466134efe71c8bf9fbaaba

Source: DEBIAN
Type: UNKNOWN
DSA-3945

Source: BID
Type: Third Party Advisory, VDB Entry
98195

Source: CCN
Type: BID-98195
Linux kernel CVE-2014-9940 Local Privilege Escalation Vulnerability

Source: XF
Type: UNKNOWN
linux-kernel-cve20149940-priv-esc(127318)

Source: CCN
Type: Linux Kernel GIT Repository
regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/60a2362f769cf549dc466134efe71c8bf9fbaaba

Source: CONFIRM
Type: Vendor Advisory
https://source.android.com/security/bulletin/2017-05-01

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 3.18.52)

    • Configuration 2:
  • cpe:/o:google:android:*:*:*:*:*:*:*:* (Version <= 7.1.1)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:3.18:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20149940000
    V
    		CVE-2014-9940 on Ubuntu 17.10 (artful) - low.
    2017-05-02
    oval:com.ubuntu.xenial:def:201499400000000
    V
    		CVE-2014-9940 on Ubuntu 16.04 LTS (xenial) - low.
    2017-05-02
    oval:com.ubuntu.precise:def:20149940000
    V
    		CVE-2014-9940 on Ubuntu 12.04 LTS (precise) - low.
    2017-05-02
    oval:com.ubuntu.trusty:def:20149940000
    V
    		CVE-2014-9940 on Ubuntu 14.04 LTS (trusty) - low.
    2017-05-02
    oval:com.ubuntu.xenial:def:20149940000
    V
    		CVE-2014-9940 on Ubuntu 16.04 LTS (xenial) - low.
    2017-05-02
    BACK
    linux linux kernel *
    google android *
    linux linux kernel 3.18