SB2024073156 - NULL pointer dereference in Linux kernel cxl core driver
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073156
CSH 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 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-41084)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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_dpa_to_region() function in drivers/cxl/core/region.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/a9e099e29e925f8b31cfe53e8a786b9796f8e453
- https://git.kernel.org/stable/c/b8a40a6dbfb0150c1081384caa9bbe28ce5d5060
- https://git.kernel.org/stable/c/285f2a08841432fc3e498b1cd00cce5216cdf189
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.37