Tracker / CVE-2021-4157
CVE-2021-4157
High 8.0
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.
Affected products and versions
| fedoraproject | fedora |
|---|---|
| linux | linux_kernel · 4.0 → 4.4.269 |
| linux | linux_kernel · 4.10 → 4.14.233 |
| linux | linux_kernel · 4.15 → 4.19.191 |
| linux | linux_kernel · 4.20 → 5.4.120 |
| linux | linux_kernel · 4.5 → 4.9.269 |
| linux | linux_kernel · 5.11 → 5.11.22 |
| linux | linux_kernel · 5.12 → 5.12.5 |
| linux | linux_kernel · 5.5 → 5.10.38 |
| netapp | h300e_firmware |
| netapp | h300s_firmware |
| netapp | h410s_firmware |
| netapp | h500e_firmware |
| netapp | h500s_firmware |
| netapp | h700e_firmware |
| netapp | h700s_firmware |
| oracle | communications_cloud_native_core_binding_support_function |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.