CVE-2021-4157 vulnerability in Linux and Other Products
Published on March 25, 2022
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.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2021-4157 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2021-4157
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-4157 are published in these products:
Exploit Probability
EPSS
0.05%
Percentile
15.77%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.