SB2008112101 - Race condition in Linux kernel

Description

This security bulletin contains information about 1 vulnerability.

1) Race condition (CVE-ID: CVE-2008-5182)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to execute arbitrary code.

The inotify functionality in Linux kernel 2.6 before 2.6.28-rc5 might allow local users to gain privileges via unknown vectors related to race conditions in inotify watch removal and umount.

Remediation

Install update from vendor's website.

References

• http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc5
• http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00010.html
• http://secunia.com/advisories/32998
• http://secunia.com/advisories/33083
• http://secunia.com/advisories/33348
• http://secunia.com/advisories/33623
• http://secunia.com/advisories/33641
• http://secunia.com/advisories/33704
• http://secunia.com/advisories/33706
• http://secunia.com/advisories/33756
• http://secunia.com/advisories/33854
• http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0332
• http://www.debian.org/security/2008/dsa-1681
• http://www.redhat.com/support/errata/RHSA-2009-0053.html
• http://www.redhat.com/support/errata/RHSA-2009-0225.html
• http://www.securityfocus.com/archive/1/499044/100/0/threaded
• http://www.securityfocus.com/bid/33503
• http://www.ubuntu.com/usn/usn-715-1
• https://issues.rpath.com/browse/RPL-2915
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10584
• https://usn.ubuntu.com/714-1/
• https://www.redhat.com/archives/fedora-package-announce/2008-December/msg01358.html