CVE-2021-4090
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-4090
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4090.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-4090
- Downstream
- Published
- 2022-02-18T18:15:10Z
- Modified
- 2025-08-09T20:01:27Z
- Severity
-
- 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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 nfsd4decodebitmap4 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.
- References