Improper access control in Linux kernel - CVE-2006-1856
Published: May 20, 2006 / Updated: October 11, 2017
Vulnerability identifier: #VU99899
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2006-1856
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Certain modifications to the Linux kernel 2.6.16 and earlier do not add the appropriate Linux Security Modules (LSM) file_permission hooks to the (1) readv and (2) writev functions, which might allow attackers to bypass intended access restrictions.
How to mitigate CVE-2006-1856
Install update from vendor's repository.
Sources
- http://lists.jammed.com/linux-security-module/2005/09/0019.html
- http://secunia.com/advisories/20237
- http://secunia.com/advisories/20716
- http://secunia.com/advisories/21045
- http://secunia.com/advisories/21745
- http://secunia.com/advisories/22093
- http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
- http://www.debian.org/security/2006/dsa-1184
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
- http://www.osvdb.org/25747
- http://www.redhat.com/support/errata/RHSA-2006-0493.html
- http://www.securityfocus.com/bid/18105
- http://www.ubuntu.com/usn/usn-302-1
- http://www.ussg.iu.edu/hypermail/linux/kernel/0604.3/0777.html
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=191524
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9927