CVE-2021-47101

Updated: 2025-12-01 02:34:46.051903

Description:

In the Linux kernel, the following vulnerability has been resolved: asix: fix uninit-value in asix_mdio_read() asix_read_cmd() may read less than sizeof(smsr) bytes and in this case smsr will be uninitialized. Fail log: BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497 BUG: KMSAN: uninit-value in asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497 asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497 asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0.0
CVSS Version 3.x HIGH 7.1

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 7.1 HIGH Released CLSA-2025:1743193221 2025-02-22 01:18:50
CentOS 6 ELS kernel 2.6.32 7.1 HIGH Not Vulnerable 2025-09-27 23:49:16
CentOS 7 ELS kernel 3.10.0 7.1 HIGH Not Vulnerable 2025-09-16 13:38:52
CentOS 8.4 ELS kernel 4.18.0 7.1 HIGH Needs Triage 2025-09-09 18:06:14
CentOS 8.5 ELS kernel 4.18.0 7.1 HIGH Needs Triage 2025-09-09 18:06:14
CentOS Stream 8 ELS kernel 4.18.0 7.1 HIGH Needs Triage 2025-09-09 18:06:12
CloudLinux 6 ELS kernel 2.6.32 7.1 HIGH Ignored 2025-09-23 10:25:46 Postponed until request or high risk detected
CloudLinux 7 ELS kernel 3.10.0 7.1 HIGH Ignored 2025-09-23 10:25:42 Postponed until request or high risk detected
Oracle Linux 6 ELS kernel 2.6.32 7.1 HIGH Not Vulnerable 2025-11-02 10:36:15
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.1 HIGH Released CLSA-2025:1736444557 2025-01-10 00:54:54
Total: 12