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LIN1018-9063 : Security Advisory - linux - CVE-2021-3714

Created: Apr 4, 2022    Updated: Nov 2, 2023
Resolved Date: Nov 2, 2023
Found In Version: 10.18.44.1
Severity: Standard
Applicable for: Wind River Linux LTS 18
Component/s: Kernel

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.

https://nvd.nist.gov/vuln/detail/CVE-2021-3714
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