Date: Fri, 17 Feb 2017 13:03:11 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> Subject: CVE-2017-6058 Qemu: net: vmxnet3: OOB NetRxPkt::ehdr_buf access when doing vlan stripping Hello, Quick Emulator(Qemu) built with the VMWARE VMXNET3 NIC device support is vulnerable to an out-of-bounds access issue. It could occur while stripping VLAN header from 'eth_buf' buffer in receiving packets. A remote user/process could use this issue to crash Qemu process resulting in DoS. Upstream patch: --------------- -> https://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg03527.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1423358 Note:- It requires 'VLANSTRIP' feature to be enabled on the vmxnet3 device. 'CVE-2017-6058' assigned via -> https://cveform.mitre.org/ Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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