CVE-2021-4157

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-4157
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.

8.0 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.4 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 4.4 / Impact : 10.0

Access Vector ADJACENT_NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

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

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Configuration 10 (hide)

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:*:*:*:*:*:*:*
History

07 Nov 2023, 03:40

Type Values Removed Values Added
References
  • {'url': 'https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/', 'name': 'https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/', 'tags': ['Exploit', 'Mailing List', 'Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • () https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org/ -

17 Jan 2023, 21:23

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:5.13:-:*:*:*:*:*:*

19 Oct 2022, 15:23

Type Values Removed Values Added
References (N/A) https://www.oracle.com/security-alerts/cpujul2022.html - (N/A) https://www.oracle.com/security-alerts/cpujul2022.html - Third Party Advisory
References (CONFIRM) https://security.netapp.com/advisory/ntap-20220602-0007/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20220602-0007/ - Third Party Advisory
CPE cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
First Time Netapp h500e
Netapp h700e Firmware
Netapp h500s
Netapp h500e Firmware
Netapp h410s Firmware
Netapp h300e
Netapp h300e Firmware
Netapp h700s
Oracle communications Cloud Native Core Binding Support Function
Netapp h300s
Netapp h700e
Netapp
Oracle
Netapp h300s Firmware
Netapp h700s Firmware
Netapp h410s
Netapp h500s Firmware

25 Jul 2022, 18:18

Type Values Removed Values Added
References
  • (N/A) https://www.oracle.com/security-alerts/cpujul2022.html -

02 Jun 2022, 20:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20220602-0007/ -

07 Apr 2022, 15:31

Type Values Removed Values Added
CWE CWE-119
CVSS v2 : unknown
v3 : unknown 		v2 : 7.4
v3 : 8.0
First Time Linux linux Kernel
Fedoraproject fedora
Linux
Fedoraproject
References (MISC) https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/ - (MISC) https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/ - Exploit, Mailing List, Patch, Vendor Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2034342 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2034342 - Issue Tracking, Third Party Advisory
CPE cpe:2.3:o:linux:linux_kernel:5.13:-:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

25 Mar 2022, 19:44

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-25 19:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-4157

Mitre link : CVE-2021-4157

CVE.ORG link : CVE-2021-4157

JSON object : View

Products Affected

netapp

  • h700s
  • h500e_firmware
  • h410s
  • h500s
  • h300s_firmware
  • h300e_firmware
  • h300s
  • h500s_firmware
  • h700e_firmware
  • h410s_firmware
  • h700e
  • h700s_firmware
  • h500e
  • h300e

oracle

  • communications_cloud_native_core_binding_support_function

fedoraproject

  • fedora

linux

  • linux_kernel
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer