#VU100012 Resource exhaustion in Linux kernel - CVE-2000-0227

Vulnerability identifier: #VU100012

Vulnerability risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2000-0227

CWE-ID: CWE-400

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform service disruption.

The Linux 2.2.x kernel does not restrict the number of Unix domain sockets as defined by the wmem_max parameter, which allows local users to cause a denial of service by requesting a large number of sockets.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://archives.neohapsis.com/archives/bugtraq/2000-03/0254.html
https://marc.info/?l=bugtraq&m=95421263519558&w=2
https://www.securityfocus.com/bid/1072
https://exchange.xforce.ibmcloud.com/vulnerabilities/4186

---

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. However, proof of concept for this vulnerability is available.