Vulnerability identifier: #VU92851

Vulnerability risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2008-3832

CWE-ID: CWE-399

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 a denial of service (DoS) attack.

A certain Fedora patch for the utrace subsystem in the Linux kernel before 2.6.26.5-28 on Fedora 8, and before 2.6.26.5-45 on Fedora 9, allows local users to cause a denial of service (NULL pointer dereference and system crash or hang) via a call to the utrace_control function.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://www.openwall.com/lists/oss-security/2008/10/02/1
http://www.securityfocus.com/bid/31536
http://kerneloops.org/oops.php?number=56705
http://bugzilla.redhat.com/show_bug.cgi?id=464883
http://exchange.xforce.ibmcloud.com/vulnerabilities/45644

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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.