CVE-2017-7471

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 files on a shared host directory. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.

• CWE-732

• http://www.openwall.com/lists/oss-security/2017/04/19/2Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/97970Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7471Issue Tracking, Patch, Third Party Advisory
• https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9c6b899f7a46893ab3b671e341a2234e9c0c060e
• https://security.gentoo.org/glsa/201706-03Third Party Advisory
• http://www.openwall.com/lists/oss-security/2017/04/19/2Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/97970Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7471Issue Tracking, Patch, Third Party Advisory
• https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9c6b899f7a46893ab3b671e341a2234e9c0c060e
• https://security.gentoo.org/glsa/201706-03Third Party Advisory

Published

Jul 9, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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