CVEs-PoC/2021/CVE-2021-4157.md

CVE-2021-4157

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.

POC

Reference

• https://www.oracle.com/security-alerts/cpujul2022.html

Github

• https://github.com/ARPSyndicate/cvemon