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CVE-2021-4090
Published: Feb 18, 2022
Modified: May 12, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | kernel | affected kernel 5.16 rc2 |
Weaknesses (CWE)
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