CVE-2019-5489

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 4.19.13

Description: The issue is related to the mincore() function in the Linux kernel, which lacks protection of internal data. This could allow an attacker to disclose protected information by observing page cache access patterns of other processes on the same system. Limited remote exploitation may be possible, potentially allowing the sniffing of secret information. The vulnerability could be exploited to conduct a page-cache side-channel attack, enabling the attacker to view page-cache access patterns and access sensitive information.

Recommendations: For Linux kernel versions through 4.19.13, update to a version that includes the fix for this issue to prevent exploitation. As a temporary workaround, consider restricting access to sensitive information and limiting the use of the mincore() function until a patch is available.