SB2024060341 - Improper locking in Linux kernel include asm
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060341
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2021-47382)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the qeth_do_reset() function in drivers/s390/net/qeth_core_main.c, within the EXPORT_SYMBOL(), ccwgroup_set_offline() and ccwgroup_online_store() functions in drivers/s390/cio/ccwgroup.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.