CVE-2021-28964

Updated: 2023-03-10 12:28:07.061403

Description:

A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x LOW 1.9
CVSS Version 3.x MEDIUM 4.7

Status

OS name Project name Version Score Severity Status Errata Last updated
CentOS 6 ELS kernel 2.6.32 4.7 MEDIUM Not Vulnerable 2021-12-09 07:57:21
CentOS 8.4 ELS kernel 4.18.0-305.25.1 4.7 MEDIUM Ignored 2022-02-10 08:36:34
CentOS 8.5 ELS kernel 4.18.0-348.7.1 4.7 MEDIUM Ignored 2022-02-21 05:39:39
CloudLinux 6 ELS kernel 2.6.32 4.7 MEDIUM Ignored 2022-01-27 11:20:14
Oracle Linux 6 ELS kernel 2.6.32 4.7 MEDIUM Not Vulnerable 2022-11-30 10:09:56
Ubuntu 16.04 ELS linux 4.4.0 4.7 MEDIUM Released 2021-12-09 07:57:21
Ubuntu 16.04 ELS linux-hwe 4.15.0 4.7 MEDIUM Ignored 2022-09-28 08:02:44
Ubuntu 18.04 ELS linux 4.15.0 4.7 MEDIUM Ignored 2023-03-02 04:04:04