CVE-2021-3714
Medium
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.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Linux Kernel
PublishedAug 23, 2022
First seenAug 23, 2022
Weakness typeCWE-200Sensitive information exposure
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | No range specified | — |
| redhat enterprise_linux | 6.0, 7.0, 8.0 | — |
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