Date: Fri, 10 May 2013 16:25:55 +0200 From: Petr Matousek <pmatouse@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request: Linux kernel: tuntap refuse to re-attach to different tun_struct On Fri, May 10, 2013 at 05:33:37PM +0530, P J P wrote: > Linux kernels built with Universal TUN/TAP device driver(CONFIG_TUN) > that includes multiqueue - ioctl(TUNSETQUEUE) - support, is > vulnerable to a kernel crash while attaching a device to a new > queue. > > A user/program could use this flaw to crash the system resulting in DoS. > > Upstream fix: > ------------- > -> https://git.kernel.org/linus/6e331f4c83021e4de2a2fc4981574b5d5b16c425 > -> https://git.kernel.org/linus/7c0c3b1a8a175437991ccc898ed66ec5e4a96208 As both multiqueue support and fix for this issue were committed in 3.8 rc versions ((rc1 and rc4, respectively), please reject this request. Thanks, -- Petr Matousek / Red Hat Security Response Team
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