SB2024061333 - Improper locking in Linux kernel smc
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061333
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-2022-48673)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the smc_wr_rx_process_cqes(), smc_wr_free_link() and smc_wr_create_link() functions in net/smc/smc_wr.c, within the smcr_link_init() function in net/smc/smc_core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.