Input validation error in Linux kernel

1) Input validation error

EUVDB-ID: #VU96541

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-43897

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the __udp_gso_segment() function in net/ipv4/udp_offload.c, within the tcp_gso_segment() function in net/ipv4/tcp_offload.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

External links

http://git.kernel.org/stable/c/6772c4868a8e7ad5305957cdb834ce881793acb7
http://git.kernel.org/stable/c/2edbb3e8838c672cd7e247e47989df9d03fc6668
http://git.kernel.org/stable/c/89add40066f9ed9abe5f7f886fe5789ff7e0c50e

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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