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CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create
From: P J P <ppandit () redhat com>
Date: Mon, 3 Apr 2017 15:41:12 +0530 (IST)
Hello,Quick Emulator(Qemu) built with the virtio-9p back-end support is vulnerable to a memory leakage issue. It could occur while doing a I/O operation via v9fs_create/v9fs_lcreate routine.
A privileged user/process inside guest could use this flaw to leak host memory resulting in Dos.
Upstream patch: --------------- -> http://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1437871 This issue was reported by Li Qiang of 360.cn Inc. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
Current thread:
- CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create P J P (Apr 03)