CVE-2006-1856

Linux kernel <2.6.16 - Privilege Escalation

Title source: llm

Description

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.

References (16)

[Various Sources] http://lists.jammed.com/linux-security-module/2005/09/0019.html

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDKSA-2006:123

[Vendor Advisory] http://www.redhat.com/support/errata/RHSA-2006-0493.html

[Vendor Advisory] http://www.ubuntu.com/usn/usn-302-1

[Various Sources] http://www.ussg.iu.edu/hypermail/linux/kernel/0604.3/0777.html

[Issue Tracking] https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=191524

[Vendor Advisory] http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/18105

[Third Party Advisory] http://www.debian.org/security/2006/dsa-1184

[Third Party Advisory, VDB Entry] http://www.osvdb.org/25747

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9927

[Third Party Advisory] http://secunia.com/advisories/20237

[Third Party Advisory] http://secunia.com/advisories/20716

[Third Party Advisory] http://secunia.com/advisories/21045

[Third Party Advisory] http://secunia.com/advisories/21745

[Third Party Advisory] http://secunia.com/advisories/22093

Scores

EPSS 0.0231

EPSS Percentile 84.5%

Classification

Status draft

Affected Products (50)

linux/linux_kernel

... and 35 more

Timeline

Published May 19, 2006

Tracked Since Feb 18, 2026