Date: Fri, 10 May 2013 17:33:37 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> Subject: CVE request: Linux kernel: tuntap refuse to re-attach to different tun_struct Hello, 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 Thank you. -- Prasad J Pandit / Red Hat Security Response Team DB7A 84C5 D3F9 7CD1 B5EB C939 D048 7860 3655 602B
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