SB2006042701 - Security restrictions bypass in Linux kernel
Published: April 27, 2006
Security Bulletin ID
SB2006042701
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2006-2071)
The vulnerability allows a local user to corrupt data.
Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bugs.
Remediation
Install update from vendor's website.
References
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.6
- http://secunia.com/advisories/20157
- http://secunia.com/advisories/20716
- http://secunia.com/advisories/21035
- http://secunia.com/advisories/22292
- http://secunia.com/advisories/22497
- http://secunia.com/advisories/22875
- http://secunia.com/advisories/22945
- http://secunia.com/advisories/23064
- http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
- http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b78b6af66a5fbaf17d7e6bfc32384df5e34408c8
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:086
- http://www.osvdb.org/25139
- http://www.redhat.com/support/errata/RHSA-2006-0579.html
- http://www.redhat.com/support/errata/RHSA-2006-0580.html
- http://www.redhat.com/support/errata/RHSA-2006-0689.html
- http://www.redhat.com/support/errata/RHSA-2006-0710.html
- http://www.securityfocus.com/archive/1/451404/100/0/threaded
- http://www.securityfocus.com/archive/1/451417/100/200/threaded
- http://www.securityfocus.com/archive/1/451419/100/200/threaded
- http://www.securityfocus.com/archive/1/451426/100/200/threaded
- http://www.ubuntu.com/usn/usn-302-1
- http://www.vmware.com/download/esx/esx-202-200610-patch.html
- http://www.vmware.com/download/esx/esx-213-200610-patch.html
- http://www.vmware.com/download/esx/esx-254-200610-patch.html
- http://www.vupen.com/english/advisories/2006/1391
- http://www.vupen.com/english/advisories/2006/4502
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=190073
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26169
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9978