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CVE-2021-3714

UNKNOWN
Published 2022-08-23T15:51:15
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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-p9ch-h5p3-4xcq

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3714
WEB https://access.redhat.com/security/cve/CVE-2021-3714
WEB https://arxiv.org/abs/2111.08553
WEB https://arxiv.org/pdf/2111.08553.pdf
WEB https://bugzilla.redhat.com/show_bug.cgi?id=1931327

Advisory provided by GitHub Security Advisory Database. Published: August 24, 2022, Modified: August 29, 2022

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
Published: 2022-08-23T15:51:15
Last Modified: 2024-08-03T17:01:07.823Z
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