CVE-2021-4157
High
Description
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.
SeverityHigh
CVSS8.0
Exploit probability—
Product
Linux Kernel
PublishedMar 25, 2022
First seenMar 25, 2022
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- linux linux_kernel4.4.269, 4.9.269, 4.14.233, 4.19.191, 5.4.120, 5.10.38, 5.11.22, 5.12.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.0 ≤ v < 4.4.269, 4.5 ≤ v < 4.9.269, 4.10 ≤ v < 4.14.233, 4.15 ≤ v < 4.19.191, 4.20 ≤ v < 5.4.120, 5.5 ≤ v < 5.10.38, 5.11 ≤ v < 5.11.22, 5.12 ≤ v < 5.12.5 | 4.4.269, 4.9.269, 4.14.233, 4.19.191, 5.4.120, 5.10.38, 5.11.22, 5.12.5 |
| fedoraproject fedora | 35 | — |
| netapp h300e_firmware | No range specified | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| oracle communications_cloud_native_core_binding_support_function | 22.1.1, 22.1.3, 22.2.0 | — |
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