Date: Fri, 16 Sep 2016 16:15:24 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Qinghao Tang <luodalongde@...il.com>, zhenhao hong <zhenhaohong@...il.com> Subject: CVE request Qemu: virtio: null pointer dereference in virtqueu_map_desc Hello, Quick emulator(Qemu) built with the virtio framework is vulnerable to a null pointer dereference flaw. It could occur if the guest was to set the I/O descriptor buffer length to a large value. A privileged user inside guest could use this flaw to crash the Qemu instance on the host resulting in DoS. Upstream fix: ------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1376755 This issue was independently reported by Qinghao Tang and Zhenhao Hong of the Marvel Team of 360.cn 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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