CVE-2021-3714

State: Published
Severity: Not scored
Published: Aug 23, 2022
Updated: Aug 3, 2024
Reserved: Aug 18, 2021

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
kerneln/a	Not knownAffected

References

https://arxiv.org/abs/2111.08553
https://arxiv.org/pdf/2111.08553.pdf
https://bugzilla.redhat.com/show_bug.cgi?id=1931327
https://access.redhat.com/security/cve/CVE-2021-3714

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