Vulnerabilities
Vulnerable Software

Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.4%
CVSS Severity
CVSS v3 Score 7.1
CVSS v2 Score 6.6
Products affected by CVE-2021-4090


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