Date: Wed, 17 May 2017 16:27:01 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Leo Gaspard <leo@...pard.io> Subject: CVE-2017-7493 Qemu: 9pfs: guest privilege escalation in virtfs mapped-file mode Hello, Quick Emulator(Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1451709 'CVE-2017-7493' has been assigned to this issue by Red Hat Inc. It was reported by Leo Gaspard. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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