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CVE-2020-35513

MEDIUM

4.9

Description

A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service.

CVE Details

CVSS v3.1 Score4.9

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published1/26/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

linux:linux_kernelredhat:enterprise_linux

Weaknesses (CWE)

CWE-271

References

https://bugzilla.redhat.com/show_bug.cgi?id=1911309(secalert@redhat.com)

https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1911309(af854a3a-2127-422b-91ae-364da2661108)

https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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