CVE-2021-3714
Summary
| CVE | CVE-2021-3714 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-08-23 16:15:00 UTC |
| Updated | 2024-02-01 18:51:00 UTC |
| 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. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Operating System | Redhat | Enterprise Linux | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 8.0 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| arxiv.org/pdf/2111.08553.pdf | MISC | arxiv.org | |
| 1931327 – (CVE-2021-3714) CVE-2021-3714 kernel: Remote Page Deduplication Attacks | MISC | bugzilla.redhat.com | |
| [2111.08553] Remote Memory-Deduplication Attacks | MISC | arxiv.org | |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.