SB2025121036 - Memory leak in Linux kernel pci driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121036
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-2023-53814)
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 pci_register_host_bridge() function in drivers/pci/probe.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/7e6f2714d93cdf977b6124a80af2cf0e14e2d407
- https://git.kernel.org/stable/c/9d8ba74a181b1c81def21168795ed96cbe6f05ed
- https://git.kernel.org/stable/c/e4af080f3ef6a65b0d702988c2471a47c9ae2cc0
- https://git.kernel.org/stable/c/fe6a1fbe83f5b23d7db93596b793561230f06b40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16