Information disclosure in Linux kernel - CVE-2017-7616

 

Information disclosure in Linux kernel - CVE-2017-7616

Published: May 22, 2017


Vulnerability identifier: #VU6613
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-2017-7616
CWE-ID: CWE-388
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 attacker to obtain potentially sensitive information from system memory

The weakness exists due to an error handling flaw in the set_mempolicy() and mbind compat() system calls in 'mm/mempolicy.c'. A local attacker can trigger a failure of a certain bitmap operation and obtain sensitive information from uninitialized stack data.

Successful exploitation of the vulnerability results in information disclosure.

How to mitigate CVE-2017-7616

Install update from vendor's website.

Sources