Integer underflow in Linux kernel

Published: 2001-04-17

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2001-1394
CWE-ID	CWE-191
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Linux kernel Operating systems & Components / Operating system
Vendor	Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer underflow

EUVDB-ID: #VU99989

Risk: Low

CVSSv4.0: 1.1 [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:U/U:Clear]

CVE-ID: CVE-2001-1394

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

The vulnerability allows a local user to perform service disruption.

Signedness error in (1) getsockopt and (2) setsockopt for Linux kernel before 2.2.19 allows local users to cause a denial of service.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

External links

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.