SB2025050228 - Memory leak in Linux kernel cxl core driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050228
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) Memory leak (CVE-ID: CVE-2022-49896)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the unregister_nvdimm(), match_cxl_nvdimm() and cxl_pmem_region_probe() functions in drivers/cxl/pmem.c, within the cxl_nvdimm_release() and cxl_nvdimm_alloc() functions in drivers/cxl/core/pmem.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.