Messages in this thread | | | Subject | Re: [CHECKER] Probable security holes in 2.6.5 | From | Rusty Russell <> | Date | Sat, 17 Apr 2004 16:15:44 +1000 |
| |
On Sat, 2004-04-17 at 05:27, Chris Wright wrote: > > [BUG] > > /home/kash/linux/linux-2.6.5/kernel/module.c:1303:load_module: > > ERROR:TAINT: 1283:1303:Using user value "((*hdr).e_shstrndx * 0)" > > without first performing bounds checks
Yes, this is a special case. We've already checked CAP_SYS_MODULE, and we only do trivial sanity checks for correct arch and truncated modules. This is by policy, since there are things we simply can't check (like the code we're about to run!),
Hope that helps! Rusty. -- Anyone who quotes me in their signature is an idiot -- Rusty Russell
- 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/
| |