SB2025071155 - Improper locking in Linux kernel cxl core driver
Published: July 11, 2025
Security Bulletin ID
SB2025071155
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-2025-38252)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the cxl_cper_trace_uncorr_port_prot_err() and cxl_cper_handle_prot_err() functions in drivers/cxl/core/ras.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.