Vulnerability identifier: #VU91320

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26614

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the reqsk_queue_alloc() function in net/core/request_sock.c. A remote attacker can send specially crafted ACK packets to the system and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/bc99dcedd2f422d602516762b96c8ef1ae6b2882
http://git.kernel.org/stable/c/d86cc6ab33b085eaef27ea88b78fc8e2375c0ef3
http://git.kernel.org/stable/c/b1e0a68a0cd2a83259c444f638b417a8fffc6855
http://git.kernel.org/stable/c/168e7e599860654876c2a1102a82610285c02f02
http://git.kernel.org/stable/c/3982fe726a63fb3de6005e534e2ac8ca7e0aca2a
http://git.kernel.org/stable/c/198bc90e0e734e5f98c3d2833e8390cac3df61b2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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