Resource management error in Linux kernel net wireguard driver

1) Resource management error

EUVDB-ID: #VU95518

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-2024-42247

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management error within the swap_endian() function in drivers/net/wireguard/allowedips.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

External links

http://git.kernel.org/stable/c/ae630de24efb123d7199a43256396d7758f4cb75
http://git.kernel.org/stable/c/b4764f0ad3d68de8a0b847c05f427afb86dd54e6
http://git.kernel.org/stable/c/217978a29c6ceca76d3c640bf94bdf50c268d801
http://git.kernel.org/stable/c/6638a203abad35fa636d59ac47bdbc4bc100fd74
http://git.kernel.org/stable/c/2fb34bf76431e831f9863cd59adc0bd1f67b0fbf
http://git.kernel.org/stable/c/948f991c62a4018fb81d85804eeab3029c6209f8

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.