cve/2021/CVE-2021-4090.md

CVE-2021-4090

Description

An out-of-bounds (OOB) memory write flaw was found in the NFSD in the Linux kernel. Missing sanity may lead to a write beyond bmval[bmlen-1] in nfsd4_decode_bitmap4 in fs/nfsd/nfs4xdr.c. In this flaw, a local attacker with user privilege may gain access to out-of-bounds memory, leading to a system integrity and confidentiality threat.

POC

Reference

No PoCs from references.

Github

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