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CVE-2021-3714

MEDIUM CVSS: 5.9 Published: 2022-08-23 Modified: 2026-06-17

Description

A flaw was found in the Linux kernels memory deduplication mechanism. Previous work has shown that memory deduplication can be attacked via a local exploitation mechanism. The same technique can be used if an attacker can upload page sized files and detect the change in access time from a networked service to determine if the page has been merged.

Affected Platforms

Linux Linux KernelRedhat Enterprise Linux

Weakness Type

CWE-200, NVD-CWE-noinfo

References