Date: Tue, 29 Jun 2010 05:53:05 -1000 From: akuster <akuster@...sta.com> To: Eugene Teo <eugeneteo@...nel.sg> CC: oss-security@...ts.openwall.com, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: kernel: ethtool: kernel buffer overflow in ETHTOOL_GRXCLSRLALL Eugene, Thanks for the info. Unfortunately it does affect a few MontaVista kernels. Is it possible to get a CVE for this? Mahalo, Armin On 06/28/2010 04:10 PM, Eugene Teo wrote: > FYI, "On a 32-bit machine, info.rule_cnt >= 0x40000000 leads to integer > overflow and the buffer may be smaller than needed. Since > ETHTOOL_GRXCLSRLALL is unprivileged, this can presumably be used for at > least denial of service." This was introduced in v2.6.27-rc1 via > upstream commit 0853ad66. Also see commit 59089d8d. > > Reference: > http://thread.gmane.org/gmane.linux.network/164869 > https://bugzilla.redhat.com/show_bug.cgi?id=608950 > > I'm not requesting a CVE name for this as it did not affect any of our > Red Hat supported Linux kernels. > > Thanks, Eugene
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