Resource management error in Linux kernel - CVE-2023-53256
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115606
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2023-53256
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the include/linux/arm_ffa.h. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2023-53256
Install update from vendor's repository.
Linux kernel - update to 6.1.31
External References
- https://git.kernel.org/stable/c/19b8766459c41c6f318f8a548cc1c66dffd18363
- https://git.kernel.org/stable/c/93d0cbe88118fcef234d3ebcbdadcb9ebe9d34f1
- https://git.kernel.org/stable/c/c2f65991097a62efbdb2bed3c06fc86b08c9593b
- https://git.kernel.org/stable/c/dfc5aaa57f52a5800c339369d235fa30fb734feb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.31