CVE-2021-29649

Updated: 2025-08-20 02:38:05.4166

Description:

An issue was discovered in the Linux kernel before 5.11.11. The user mode driver (UMD) has a copy_process() memory leak, related to a lack of cleanup steps in kernel/usermode_driver.c and kernel/bpf/preload/bpf_preload_kern.c, aka CID-f60a85cad677.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x MEDIUM 4.9
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

CentOS 6 ELS kernel 2.6.32 5.5 MEDIUM Not Vulnerable 2021-11-02 14:03:20
CentOS 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2023-09-19 09:30:20 Ignored due to low severity
CentOS 8.4 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2022-02-10 08:36:40 Ignored due to low severity
CentOS 8.5 ELS kernel 4.18.0 5.5 MEDIUM Already Fixed 2025-10-24 07:19:00
CloudLinux 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2022-01-27 11:20:16 Ignored due to low severity
Oracle Linux 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2022-01-27 11:20:16 Ignored due to low severity
Ubuntu 16.04 ELS linux-hwe 4.15.0 5.5 MEDIUM Ignored 2022-09-28 05:02:37 Ignored due to low severity
Ubuntu 16.04 ELS linux 4.4.0 5.5 MEDIUM Ignored 2022-01-27 11:20:16 Ignored due to low severity
Ubuntu 18.04 ELS linux 4.15.0 5.5 MEDIUM Ignored 2023-03-02 04:04:02 Ignored due to low severity