CVE-2021-4157

Updated: 2023-11-07 19:35:14.244375

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.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x HIGH 7.4
CVSS Version 3.x HIGH 8

Status

OS name Project name Version Score Severity Status Errata Last updated
AlmaLinux 9.2 ESU kernel 5.14.0 8 HIGH Already Fixed 2024-05-31 10:03:27
AlmaLinux 9.2 FIPS kernel 5.14.0 8 HIGH Already Fixed 2024-05-31 10:03:27
CentOS 6 ELS kernel 2.6.32 8 HIGH Not Vulnerable 2022-04-13 09:59:56
CentOS 7 ELS kernel 3.10.0 8 HIGH Released CLSA-2024:1720468480 2024-07-23 17:19:13
CentOS 8.4 ELS kernel 4.18.0 8 HIGH Released CLSA-2022:1655822512 2022-06-21 11:48:07
CentOS 8.5 ELS kernel 4.18.0 8 HIGH Released CLSA-2022:1655821334 2022-06-21 11:48:07
CentOS Stream 8 ELS kernel 4.18.0 8 HIGH Already Fixed 2024-06-09 11:20:36
CloudLinux 6 ELS kernel 2.6.32 8 HIGH Not Vulnerable 2022-04-13 09:59:56
CloudLinux 7 ELS kernel 3.10.0 8 HIGH Needs Triage 2024-09-06 04:49:46
Oracle Linux 6 ELS kernel 2.6.32 8 HIGH Not Vulnerable 2022-12-02 20:03:42
Total: 13