CVE-2021-44879

Updated: 2025-08-20 00:06:10.221029

Description:

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x MEDIUM 4.3
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 5.5 MEDIUM Ignored 2023-11-21 04:12:24 This vulnerability is a local-only NULL pointer dereference in the F2FS garbage collector that resul...
CentOS 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:24
CentOS 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2023-09-19 09:30:06 Ignored due to low severity
CentOS 8.4 ELS kernel 4.18.0 5.5 MEDIUM Not Vulnerable 2022-02-23 11:54:18
CentOS 8.5 ELS kernel 4.18.0 5.5 MEDIUM Not Vulnerable 2022-02-23 11:54:18
CloudLinux 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:24
Oracle Linux 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2022-03-30 18:48:24
Ubuntu 16.04 ELS linux-hwe 4.15.0 5.5 MEDIUM Released CLSA-2024:1710946064 2024-03-20 11:23:26
Ubuntu 16.04 ELS linux 4.4.0 5.5 MEDIUM Released CLSA-2022:1649869212 2022-04-13 13:16:43
Ubuntu 18.04 ELS linux 4.15.0 5.5 MEDIUM Released CLSA-2024:1710946883 2024-03-20 11:20:58