Vulnerability Name:

CVE-2014-9903 (CCN-114790)

Assigned:2014-02-21
Published:2014-02-21
Updated:2016-11-28
Summary:The sched_read_attr function in kernel/sched/core.c in the Linux kernel 3.14-rc before 3.14-rc4 uses an incorrect size, which allows local users to obtain sensitive information from kernel stack memory via a crafted sched_getattr system call.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (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
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2014-9903

Source: CCN
Type: Linux Kernel GIT Repository
sched: Fix information leak in sys_sched_getattr()

Source: CONFIRM
Type: Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4efbc454ba68def5ef285b26ebfcfdb605b52755

Source: BID
Type: UNKNOWN
91511

Source: CCN
Type: BID-91511
Linux Kernel CVE-2014-9903 Local Information Disclosure Vulnerability

Source: XF
Type: UNKNOWN
linux-kernel-cve20149903-info-disc(114790)

Source: CONFIRM
Type: Vendor Advisory
https://github.com/torvalds/linux/commit/4efbc454ba68def5ef285b26ebfcfdb605b52755

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-9903

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:3.14:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:3.14:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:3.14:rc3:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20149903000
    V
    		CVE-2014-9903 on Ubuntu 12.04 LTS (precise) - low.
    2016-06-27
    oval:com.ubuntu.trusty:def:20149903000
    V
    		CVE-2014-9903 on Ubuntu 14.04 LTS (trusty) - low.
    2016-06-27
    oval:com.ubuntu.xenial:def:20149903000
    V
    		CVE-2014-9903 on Ubuntu 16.04 LTS (xenial) - low.
    2016-06-27
    oval:com.ubuntu.xenial:def:201499030000000
    V
    		CVE-2014-9903 on Ubuntu 16.04 LTS (xenial) - low.
    2016-06-27
    BACK
    linux linux kernel 3.14 rc1
    linux linux kernel 3.14 rc2
    linux linux kernel 3.14 rc3
    linux linux kernel -