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:
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:
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
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.