SB2024073155 - NULL pointer dereference in Linux kernel cxl core driver
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073155
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) NULL pointer dereference (CVE-ID: CVE-2024-41085)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the cxl_mem_probe() function in drivers/cxl/mem.c, within the cxl_pmem_region_alloc() function in drivers/cxl/core/region.c, within the match_nvdimm_bridge() and cxlmd_release_nvdimm() 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.