Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2022-03-25T19:15:09.703

Last Modified

2024-11-21T06:37:01.807

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.0 (HIGH)

CVSSv2 Vector

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

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

4.4

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-119
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 4.4.269 Yes
Operating System linux linux_kernel < 4.9.269 Yes
Operating System linux linux_kernel < 4.14.233 Yes
Operating System linux linux_kernel < 4.19.191 Yes
Operating System linux linux_kernel < 5.4.120 Yes
Operating System linux linux_kernel < 5.10.38 Yes
Operating System linux linux_kernel < 5.11.22 Yes
Operating System linux linux_kernel < 5.12.5 Yes
Operating System fedoraproject fedora 35 Yes
Operating System netapp h300e_firmware - Yes
Hardware netapp h300e - No
Operating System netapp h300s_firmware - Yes
Hardware netapp h300s - No
Operating System netapp h500e_firmware - Yes
Hardware netapp h500e - No
Operating System netapp h500s_firmware - Yes
Hardware netapp h500s - No
Operating System netapp h700e_firmware - Yes
Hardware netapp h700e - No
Operating System netapp h700s_firmware - Yes
Hardware netapp h700s - No
Operating System netapp h410s_firmware - Yes
Hardware netapp h410s - No
Application oracle communications_cloud_native_core_binding_support_function 22.1.1 Yes
Application oracle communications_cloud_native_core_binding_support_function 22.1.3 Yes
Application oracle communications_cloud_native_core_binding_support_function 22.2.0 Yes
References