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Date: Thu, 3 Mar 2016 16:34:42 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Liu Ling <liuling-it@....cn> Subject: CVE request Qemu: net: out of bounds read in net_checksum_calculate Hello, Qemu emulator built with the IP checksum routines is vulnerable to an OOB read access issue. It could occur while computing checksum for TCP/UDP packets, as the function uses payload length from the packet without checking against the data buffer size. A user inside guest could use this flaw to read excessive bytes or crash the Qemu process resulting in DoS. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-03/msg00671.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1296567 This issue was discovered by Ling Liu of Qihoo 360 Inc. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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