#VU89383 Reachable Assertion in Linux kernel - CVE-2023-52580
Published: May 13, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU89383
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-52580
CWE-ID: CWE-617
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion in net/core/flow_dissector.c. A remote attacker on the local network can send specially crafted PTP ethernet frames to the system and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://git.kernel.org/stable/c/f90a7b9586d72f907092078a9f394733ca502cc9
- https://git.kernel.org/stable/c/488ea2a3e2666022f79abfdd7d12e8305fc27a40
- https://git.kernel.org/stable/c/48e105a2a1a10adc21c0ae717969f5e8e990ba48
- https://git.kernel.org/stable/c/75ad80ed88a182ab2ad5513e448cf07b403af5c3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6