Information disclosure in Linux kernel - CVE-2019-5489

 

Information disclosure in Linux kernel - CVE-2019-5489

Published: January 9, 2019


Vulnerability identifier: #VU16896
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:P/U:Clear
CVE-ID: CVE-2019-5489
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 attacker to gain access to potentially sensitive information.

The vulnerability exists due to a flaw in the mincore() implementation in mm/mincore.c. A local attacker can observe page cache access patterns of other processes on the same system and sniff secret information.


How to mitigate CVE-2019-5489

Cybersecurity Help is currently unaware of any official solution to address the vulnerability.

Sources