Research
Skip Research Menus
Research MenuSecurity Enhanced Linux What's New Frequently Asked Questions Background Documents License Download Participating Mail List Archives Remaining Work Contributors Related Work Press Releases Information Assurance Research NIARL In-house Research Areas Mathematical Sciences Program Sabbaticals Computer & Information Sciences Research Technology Transfer Advanced Computing Advanced Mathematics Communications & Networking Information Processing Microelectronics Other Technologies Technology Fact Sheets Publications Related Links |
SELinux Mailing ListRe: Security issues with local filesystem caching
From: David Howells <dhowells_at_redhat.com>
Date: Thu, 26 Oct 2006 11:45:44 +0100
> > > Currently, CacheFiles temporarily changes fsuid and fsgid to 0 whilst Well, if the data is being copied to where userspace can get at it, and if MAC is disabled, then it doesn't matter: root can always gain access if it wants to, no matter what the DAC-related attributes are. I'm quite happy to attach security data to the files in the cache, and use MAC if it's available, but most of the time, it can't be the MAC-related attributes of the process in who's context we're running. David -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with the words "unsubscribe selinux" without quotes as the message.Received on Thu 26 Oct 2006 - 06:46:52 EDT |
|
Date Posted: Jan 15, 2009 | Last Modified: Jan 15, 2009 | Last Reviewed: Jan 15, 2009 |