#VU95518 Resource management error in Linux kernel - CVE-2024-42247

Vulnerability identifier: #VU95518

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-42247

CWE-ID: CWE-399

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

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

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

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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.