From: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx> Date: Wed, 16 May 2012 21:34:55 +0200 (CEST) > On Wed, 16 May 2012, David Miller wrote: > >> > Could at least the patch with the subject >> > >> > netfilter: ipset: fix hash size checking in kernel >> > >> > The hash size must fit both into u32 (jhash) and the max value of >> > size_t. The missing checking could lead to kernel crash, bug reported >> > by Seblu. >> > >> > be submitted into 3.4-rc7? Any non most-recent ipset package compiled with >> > gcc-4.7 or above can trigger the bug. >> >> And only root can trigger it if he gives bogus parameters right? > > Yes, root can trigger it only, however it's a two sided bug: ipset < 6.12 > compiled with gcc >= 4.7 is broken and sends bogus data to the kernel, > even when normal input parameters are supplied. And unpatched kernel can > crash when acting on the bogus data. :-( Ok, that's a more convincing argument. I've applied the hash size validation patch to 'net'. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
