SB2024071306 - Memory leak in Linux kernel cxl core driver
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071306
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) Memory leak (CVE-ID: CVE-2024-40936)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
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 memory leak within the devm_cxl_add_region() and __create_region() functions 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/d8316838aa0686da63a8be4194b7a17b0103ae4a
- https://git.kernel.org/stable/c/bbb5d8746381c82f7e0fb6171094d375b492f266
- https://git.kernel.org/stable/c/49ba7b515c4c0719b866d16f068e62d16a8a3dd1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35