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CVE-2020-35513 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1911309	CVE	Issue TrackingPatchThird Party Advisory
https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1911309	[email protected]	Issue TrackingPatchThird Party Advisory
https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-271	Privilege Dropping / Lowering Errors	[email protected]

Affected Products

Product	Versions
linux linux kernel	4.2
CPE cpe:2.3:o:linux:linux_kernel:4.2:::::::* Remediation No remediation found in references.
redhat enterprise linux	7.0
CPE cpe:2.3:o:redhat:enterprise_linux:7.0:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Feb 2, 2021	Initial Analysis	[email protected]