An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-34025 An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.
Ubuntu USN Ubuntu USN USN-5413-1 Linux kernel vulnerabilities
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Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:16:04.290Z

Reserved: 2021-12-22T00:00:00

Link: CVE-2021-4157

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-03-25T19:15:09.703

Modified: 2024-11-21T06:37:01.807

Link: CVE-2021-4157

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-05-17T00:00:00Z

Links: CVE-2021-4157 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses