#VU95592 Improper input validation in Linux kernel - CVE-2006-0742
Vulnerability identifier: #VU95592
Vulnerability 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:
CWE-ID:
CWE-20
Exploitation vector: Local
Exploit availability: No
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.
The die_if_kernel function in arch/ia64/kernel/unaligned.c in Linux kernel 2.6.x before 2.6.15.6, possibly when compiled with certain versions of gcc, has the 'noreturn' attribute set, which allows local users to cause a denial of service by causing user faults on Itanium systems. This vulnerability affects all verison of Linux kernel 2.6.x before 2.6.15.6, and may be exclusive to Itanium systems.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: All versions
External links
https:ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U
https://secunia.com/advisories/19078
https://secunia.com/advisories/19220
https://secunia.com/advisories/19607
https://secunia.com/advisories/20398
https://secunia.com/advisories/20671
https://secunia.com/advisories/20914
https://secunia.com/advisories/21136
https://secunia.com/advisories/21465
https://secunia.com/advisories/21983
https://secunia.com/advisories/22417
https://support.avaya.com/elmodocs2/security/ASA-2006-180.htm
https://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
https://www.debian.org/security/2006/dsa-1097
https://www.debian.org/security/2006/dsa-1103
https://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.15.6
https://www.mandriva.com/security/advisories?name=MDKSA-2006:059
https://www.novell.com/linux/security/advisories/2006-05-31.html
https://www.osvdb.org/23660
https://www.redhat.com/support/errata/RHSA-2006-0437.html
https://www.redhat.com/support/errata/RHSA-2006-0575.html
https://www.securityfocus.com/bid/16993
https://www.vupen.com/english/advisories/2006/0856
https://www.vupen.com/english/advisories/2006/2554
https://exchange.xforce.ibmcloud.com/vulnerabilities/25068
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10742
https://usn.ubuntu.com/263-1/
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.
