medium5.9
CVE-2021-3714
A flaw was found in the Linux kernels memory deduplication mechanism.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | All versions |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/security/cve/CVE-2021-3714
- 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
- https://arxiv.org/abs/2111.08553
- https://arxiv.org/pdf/2111.08553.pdf
- https://bugzilla.redhat.com/show_bug.cgi?id=1931327