Memory leak in Linux kernel - CVE-2023-54024
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120350
CSH Severity: Low
CVSS v4.0: 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-2023-54024
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the kvm_vm_ioctl_unregister_coalesced_mmio() function in virt/kvm/coalesced_mmio.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-54024
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/10c2a20d73e99463e69b7e92706791656adc16d7
- https://git.kernel.org/stable/c/76a9886e1b61ce5592df5ae78a19ed30399ae189
- https://git.kernel.org/stable/c/999439fd5da5a76253e2f2c37b94204f47d75491
- https://git.kernel.org/stable/c/b1cb1fac22abf102ffeb29dd3eeca208a3869d54
- https://git.kernel.org/stable/c/ccf6a7fb1aedb1472e1241ee55e4d26b68f8d066
- https://git.kernel.org/stable/c/fb436dd6914325075f07d19851ab277b7a693ae7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3