Date: Mon, 2 Nov 2020 17:16:46 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Gaoning Pan <pgn@....edu.cn> Subject: CVE-2020-27617 QEMU: net: an assert failure via eth_get_gso_type Hello, An assert(3) failure issue was found in the networking helper functions of QEMU. It could occur in the eth_get_gso_type() routine, if a packet does not have a valid networking L3 protocol (ex. IPv4, IPv6) value. A guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario. Upstream patch: --------------- -> https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg06023.html This issue was reported by Gaoning Pan of Zhejiang University. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D
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