CVE-2021-47596

Updated: 2024-11-30 04:08:53.413779

Description:

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem. So fixes it by check the instance register state to avoid use after free.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0
CVSS Version 3.x HIGH 7.8

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
AlmaLinux 9.2 FIPS kernel 5.14.0 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
CentOS 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
CentOS 7 ELS kernel 3.10.0 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
CentOS 8.4 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
CentOS 8.5 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
CentOS Stream 8 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
CloudLinux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25
Oracle Linux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2024-11-01 03:54:25