Denial of service in Linux kernel ETH_P_1588 flow dissector

1) Reachable Assertion

EUVDB-ID: #VU89383

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52580

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/f90a7b9586d72f907092078a9f394733ca502cc9
http://git.kernel.org/stable/c/488ea2a3e2666022f79abfdd7d12e8305fc27a40
http://git.kernel.org/stable/c/48e105a2a1a10adc21c0ae717969f5e8e990ba48
http://git.kernel.org/stable/c/75ad80ed88a182ab2ad5513e448cf07b403af5c3

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.