Infinite loop in Linux kernel sunrpc

1) Infinite loop

EUVDB-ID: #VU95515

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-2024-42246

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop within the xs_tcp_setup_socket() function in net/sunrpc/xprtsock.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

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:

External links

http://git.kernel.org/stable/c/f2431e7db0fe0daccb2f06bb0d23740affcd2fa6
http://git.kernel.org/stable/c/d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414
http://git.kernel.org/stable/c/f388cfd913a2b96c05339a335f365795db1b36b6
http://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cde

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.