CVE-2021-4090
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.
Structured advisory · Revision 1Original source
Evidence and details
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Security context
Source reference: cve:CVE-2021-4090
kernel
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
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- Prerequisites
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- Related CVEs
- CVE-2021-4090
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.