Vulnerability identifier: #VU89397

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26640

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 skb_advance_to_frag() function in net/ipv4/tcp.c. A remote attacker can send specially crafted data 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

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External links
http://git.kernel.org/stable/c/f48bf9a83b1666d934247cb58a9887d7b3127b6f
http://git.kernel.org/stable/c/718f446e60316bf606946f7f42367d691d21541e
http://git.kernel.org/stable/c/b383d4ea272fe5795877506dcce5aad1f6330e5e
http://git.kernel.org/stable/c/d15cc0f66884ef2bed28c7ccbb11c102aa3a0760
http://git.kernel.org/stable/c/1b8adcc0e2c584fec778add7777fe28e20781e60
http://git.kernel.org/stable/c/577e4432f3ac810049cb7e6b71f4d96ec7c6e894

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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.