Information disclosure in Linux kernel - CVE-2014-9903

 

Information disclosure in Linux kernel - CVE-2014-9903

Published: June 27, 2016 / Updated: August 9, 2020


Vulnerability identifier: #VU40223
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-9903
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local authenticated user to gain access to sensitive information.

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.


How to mitigate CVE-2014-9903

Install update from vendor's website.

Sources