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.
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

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/ -

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

oracle

  • communications_cloud_native_core_binding_support_function

linux

  • linux_kernel

fedoraproject

  • fedora
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer