cvedb.io
CVE-2021-4090
HIGH · CVSS 7.1
EPSS exploitation probability: 0%
Published 2022-02-18T18:15:10.207 · Last modified 2026-06-17T04:19:01.090

Summary

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.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.