#VU117617 Input validation error in Linux kernel - CVE-2023-53695
Published: October 23, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU117617
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-2023-53695
CWE-ID: CWE-20
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 improper input validation within the __udf_iget() function in fs/udf/inode.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/1dc71eeb198a8daa17d0c995998a53b0b749a158
- https://git.kernel.org/stable/c/1f328751b65c49c13a312d67a3bf27766b85baf7
- https://git.kernel.org/stable/c/37e74003d81e79457535cbbdfa1603431c03fac0
- https://git.kernel.org/stable/c/85a37983ec69cc9fcd188bc37c4de15ee326355a
- https://git.kernel.org/stable/c/9e3b5ef7d02eaa6553e79b4af9bd99227280f245
- https://git.kernel.org/stable/c/a44ec34b90440ada190924f5908b97026504fdcd
- https://git.kernel.org/stable/c/d747b31e2925a2f384e7dd1901a2e5bc5f984ed8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235