Improper input validation in Linux kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2006-4093
CWE-ID CWE-20
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) Improper input validation

EUVDB-ID: #VU99896

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2006-4093

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

Linux kernel 2.x.6 before 2.6.17.9 and 2.4.x before 2.4.33.1 on PowerPC PPC970 systems allows local users to cause a denial of service (crash) related to the 'HID0 attention enable on PPC970 at boot time.' Upgrade to Linux Kernel version 2.4.33.1

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

https://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.33.1
https://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.9
https://secunia.com/advisories/21563
https://secunia.com/advisories/21695
https://secunia.com/advisories/21847
https://secunia.com/advisories/21934
https://secunia.com/advisories/22093
https://secunia.com/advisories/22148
https://secunia.com/advisories/22292
https://secunia.com/advisories/22945
https://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
https://www.debian.org/security/2006/dsa-1184
https://www.debian.org/security/2006/dsa-1237
https://www.novell.com/linux/security/advisories/2006_21_sr.html
https://www.novell.com/linux/security/advisories/2006_22_sr.html
https://www.novell.com/linux/security/advisories/2006_57_kernel.html
https://www.redhat.com/support/errata/RHSA-2006-0689.html
https://www.securityfocus.com/bid/19615
https://www.ubuntu.com/usn/usn-346-1
https://www.vupen.com/english/advisories/2006/3330
https://www.vupen.com/english/advisories/2006/3331
https://issues.rpath.com/browse/RPL-611
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10666


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.



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