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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.
| Reporter | Title | Published | Views | Family All 204 |
|---|---|---|---|---|
 | CVE-2021-4090 | 18 Feb 202218:15 | – | attackerkb |
 | The vulnerability of the nfsd4_decodeBitmap4() function in the NFS file system server of the Linux operating system allows a attacker to compromise the confidentiality and integrity of the protected information. | 16 Aug 202400:00 | – | bdu_fstec |
 | CVE-2021-4090 affecting package kernel for versions less than 5.15.26.1-1 | 9 Apr 202206:52 | – | cbl_mariner |
| CVE-2021-4090 affecting package kernel 5.10.189.1-1 | 10 Mar 202223:47 | – | cbl_mariner |
 | Linux kernel 缓冲区错误漏洞 | 11 Jan 202200:00 | – | cnnvd |
 | Linux kernel nfsd4_decode_bitmap() buffer overflow vulnerability | 16 Jan 202200:00 | – | cnvd |
 | CVE-2021-4090 | 18 Feb 202200:00 | – | cve |
 | CVE-2021-4090 | 18 Feb 202200:00 | – | cvelist |
 | CVE-2021-4090 | 18 Feb 202200:00 | – | debiancve |
 | EUVD-2021-33977 | 3 Oct 202520:07 | – | euvd |
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01 Mar 2022 08:00Current
7.5High risk
Vulners AI Score7.5
CVSS 26.6
CVSS 3.17.1
EPSS0.00336