#VU120286 Memory leak in Linux kernel - CVE-2023-54137
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120286
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2023-54137
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the vfio_iommu_iova_build_caps() function in drivers/vfio/vfio_iommu_type1.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/13fd667db999bffb557c5de7adb3c14f1713dd51
- https://git.kernel.org/stable/c/1b5feb8497cdb5b9962db2700814bffbc030fb4a
- https://git.kernel.org/stable/c/ad83d83dd891244de0d07678b257dc976db7c132
- https://git.kernel.org/stable/c/cbac29a1caa49a34e131394e1f4d924a76d8b0c9
- https://git.kernel.org/stable/c/cd24e2a60af633f157d7e59c0a6dba64f131c0b1
- https://git.kernel.org/stable/c/f6f300ecc196d243c02adeb9ee0c62c677c24bfb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53