#VU93427 Input validation error in Linux kernel - CVE-2024-35889

Vulnerability identifier: #VU93427

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/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-2024-35889

CWE-ID: CWE-20

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 insufficient validation of user-supplied input within the idpf_rx_process_skb_fields() function in drivers/net/ethernet/intel/idpf/idpf_txrx.c when handling unknown packet types. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 6.8, 6.8 rc1, 6.8 rc2, 6.8 rc5, 6.8.1, 6.8.2, 6.8.3, 6.8.4

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External links
https://git.kernel.org/stable/c/b4d28f7fa4dd531cf503a4fe1ca7008960cc5832
https://git.kernel.org/stable/c/dd19e827d63ac60debf117676d1126bff884bdb8
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5

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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.