NVD

CVE-2021-4157 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 8.0 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 7.4 HIGH

Vector: (AV:A/AC:M/Au:S/C:C/I:C/A:C)

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	NIST Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

8 change records found show changes

Modified Analysis by NIST 10/19/2022 11:23:59 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h300e_firmware:-::::::: OR cpe:2.3:h:netapp:h300e:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h300s_firmware:-::::::: OR cpe:2.3:h:netapp:h300s:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h410s_firmware:-::::::: OR cpe:2.3:h:netapp:h410s:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h500e_firmware:-::::::: OR cpe:2.3:h:netapp:h500e:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h500s_firmware:-::::::: OR cpe:2.3:h:netapp:h500s:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h700e_firmware:-::::::: OR cpe:2.3:h:netapp:h700e:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h700s_firmware:-::::::: OR cpe:2.3:h:netapp:h700s:-:::::::*
Added	CPE Configuration		OR cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1::::::: cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3::::::: cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:::::::
Changed	Reference Type	https://security.netapp.com/advisory/ntap-20220602-0007/ No Types Assigned	https://security.netapp.com/advisory/ntap-20220602-0007/ Third Party Advisory
Changed	Reference Type	https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned	https://www.oracle.com/security-alerts/cpujul2022.html Third Party Advisory

Initial Analysis by NIST 4/07/2022 11:31:55 AM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CVSS V2		NIST (AV:A/AC:M/Au:S/C:C/I:C/A:C)
Added	CWE		NIST CWE-119
Added	CPE Configuration		OR cpe:2.3:o:fedoraproject:fedora:35:::::::
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel::::::::* versions up to (excluding) 5.13 cpe:2.3:o:linux:linux_kernel:5.13:-::::::*
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=2034342 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=2034342 Issue Tracking, Third Party Advisory
Changed	Reference Type	https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/ No Types Assigned	https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/ Exploit, Mailing List, Patch, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-4157
NVD Published Date:
03/25/2022
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-4157 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/21/2024 1:37:01 AM

CVE Modified by Red Hat, Inc. 5/14/2024 5:47:35 AM

CVE Modified by Red Hat, Inc. 11/06/2023 10:40:16 PM

Reanalysis by NIST 1/17/2023 4:23:10 PM

Modified Analysis by NIST 10/19/2022 11:23:59 AM

CVE Modified by Red Hat, Inc. 7/25/2022 2:18:44 PM

CVE Modified by Red Hat, Inc. 6/02/2022 4:15:08 PM

Initial Analysis by NIST 4/07/2022 11:31:55 AM

Quick Info