#VU115705 Buffer overflow in Linux kernel - CVE-2023-53327
Published: September 17, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115705
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-2023-53327
CWE-ID: CWE-119
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 corruption within the iommufd_test_md_check_pa() and iommufd_test_md_check_refs() functions in drivers/iommu/iommufd/selftest.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/3fb3505636d033bbf7a0851dac63d01732c51d62
- https://git.kernel.org/stable/c/adac6508c235a092b91ed9c0110ecf140e9e9441
- https://git.kernel.org/stable/c/fd8c1a4aee973e87d890a5861e106625a33b2c4e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4