Improper locking in Linux kernel - CVE-2005-0400
Published: May 2, 2005 / Updated: October 3, 2018
Vulnerability identifier: #VU93789
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2005-0400
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to gain access to sensitive information.
The ext2_make_empty function call in the Linux kernel before 2.6.11.6 does not properly initialize memory when creating a block for a new directory entry, which allows local users to obtain potentially sensitive information by reading the block.
How to mitigate CVE-2005-0400
Install update from vendor's website.
Sources
- http://arkoon.net/advisories/ext2-make-empty-leak.txt
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.11.6
- http://marc.info/?l=bugtraq&m=111238764720696&w=2
- http://secunia.com/advisories/14713/
- http://secunia.com/advisories/17002
- http://secunia.com/advisories/18684
- http://www.redhat.com/support/errata/RHSA-2005-366.html
- http://www.redhat.com/support/errata/RHSA-2005-663.html
- http://www.redhat.com/support/errata/RHSA-2006-0190.html
- http://www.redhat.com/support/errata/RHSA-2006-0191.html
- http://www.securityfocus.com/bid/12932
- http://www.vupen.com/english/advisories/2005/1878
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=152532
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19866
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10336
- https://usn.ubuntu.com/103-1/