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
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

21 Nov 2024, 06:37

Type Values Removed Values Added
References () 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
References () https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org/ - () https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org/ -
References () https://security.netapp.com/advisory/ntap-20220602-0007/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20220602-0007/ - Third Party Advisory
References () https://www.oracle.com/security-alerts/cpujul2022.html - Third Party Advisory () https://www.oracle.com/security-alerts/cpujul2022.html - Third Party Advisory

19 Oct 2022, 15:23

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20220602-0007/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20220602-0007/ - Third Party Advisory
References (N/A) https://www.oracle.com/security-alerts/cpujul2022.html - (N/A) https://www.oracle.com/security-alerts/cpujul2022.html - Third Party Advisory
CPE cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
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:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:*:*:*:*:*:*:*

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
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
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
CPE cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:-:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 7.4
v3 : 8.0

25 Mar 2022, 19:44

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-25 19:15

Updated : 2024-11-21 06:37

NVD link : CVE-2021-4157

Mitre link : CVE-2021-4157

CVE.ORG link : CVE-2021-4157

JSON object : View

Products Affected

netapp

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

linux

  • linux_kernel

fedoraproject

  • fedora

oracle

  • communications_cloud_native_core_binding_support_function
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer