VDB-88357 · CVE-2014-9903 · BID 91511

Linux Kernel 3.14-rc kernel/sched/core.c sched_read_attr information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Linux Kernel 3.14-rc and classified as problematic. Impacted is the function sched_read_attr of the file kernel/sched/core.c. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2014-9903. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Linux Kernel 3.14-rc (Operating System) and classified as problematic. Affected by this vulnerability is the function sched_read_attr of the file kernel/sched/core.c. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The weakness was disclosed 06/27/2016 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2014-9903 since 06/24/2016. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91511†). The entry VDB-90546 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

3.14-rc

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

06/24/2016 🔍
06/27/2016 +3 days 🔍
06/27/2016 +0 days 🔍
06/29/2016 +2 days 🔍
08/25/2022 +2248 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 4efbc454ba68def5ef285b26ebfcfdb605b52755⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9903 (🔍)
GCVE (CVE): GCVE-0-2014-9903
GCVE (VulDB): GCVE-100-88357
SecurityFocus: 91511 - Linux Kernel CVE-2014-9903 Local Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 06/29/2016 11:17
Updated: 08/25/2022 10:33
Changes: 06/29/2016 11:17 (47), 02/12/2019 10:30 (15), 08/25/2022 10:33 (3)
Complete: 🔍
Cache ID: 216:9B4:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.