#VU115937 Improper error handling in Linux kernel - CVE-2023-53433
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115937
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-2023-53433
CWE-ID: CWE-388
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 error handling within the packet_parse_headers() function in net/packet/af_packet.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/15eaeb8941f12fcc2713c4bf6eb8f76a37854b4d
- https://git.kernel.org/stable/c/34a5ee69ec6273f0aee79e7ce4d14afc83ca8122
- https://git.kernel.org/stable/c/4063384ef762cc5946fc7a3f89879e76c6ec51e2
- https://git.kernel.org/stable/c/4188c5269475ac59d467b5814c5df02756f6d907
- https://git.kernel.org/stable/c/55caf900e13cd04466def08173a14b41d18c19c3
- https://git.kernel.org/stable/c/9dd9ffe118415b4ac1cebac43443000072bc8f46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113