CVE-2021-4157

State: Published
Severity: Not scored
Published: Mar 25, 2022
Updated: Aug 3, 2024
Reserved: Dec 22, 2021

Description

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-119

Affected Products

Product	Versions
kerneln/a	kernel 5.13-rc1Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=2034342
https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org/
https://www.oracle.com/security-alerts/cpujul2022.html
https://security.netapp.com/advisory/ntap-20220602-0007/

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