![]() | |||||||||||||
Messages in this thread |
On Wed, Jan 12, 2005 at 11:28:51PM -0800, Matt Mackall wrote: > On Wed, Jan 12, 2005 at 08:48:57PM -0800, Linus Torvalds wrote: > > > > > > On Wed, 12 Jan 2005, Dave Jones wrote: > > > > > > For us thankfully, exec-shield has trapped quite a few remotely > > > exploitable holes, preventing the above. > > > > One thing worth considering, but may be abit _too_ draconian, is a > > capability that says "can execute ELF binaries that you can write to". > > > > Without that capability set, you can only execute binaries that you cannot > > write to, and that you cannot _get_ write permission to (ie you can't be > > the owner of them either - possibly only binaries where the owner is > > root). > > We can do that now with a combination of read-only and no-exec mounts. That's why some hardened distros ship with everything R/O (except var) and /var non-exec. Willy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2005-03-22 14:09 [from the cache] ©2003-2008 | |||||||||||||