#VU100009 Integer underflow in Linux kernel - CVE-2001-0316

Vulnerability identifier: #VU100009

Vulnerability risk: Low

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

CVE-ID: CVE-2001-0316

CWE-ID: CWE-191

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 read and manipulate data.

Linux kernel 2.4 and 2.2 allows local users to read kernel memory and possibly gain privileges via a negative argument to the sysctl call.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://archives.neohapsis.com/archives/bugtraq/2001-02/0267.html
https://www.caldera.com/support/security/advisories/CSSA-2001-009.0.txt
https://www.osvdb.org/6017
https://www.redhat.com/support/errata/RHSA-2001-013.html
https://www.securityfocus.com/bid/2364
https://exchange.xforce.ibmcloud.com/vulnerabilities/6079

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