Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.8.1.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2017/04/19/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/97970Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7471Issue TrackingPatchThird Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9c6b899f7a46893ab3b671e341a2
- https://security.gentoo.org/glsa/201706-03Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/04/19/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/97970Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7471Issue TrackingPatchThird Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9c6b899f7a46893ab3b671e341a2
- https://security.gentoo.org/glsa/201706-03Third Party Advisory
FAQ
What is CVE-2017-7471?
CVE-2017-7471 is a vulnerability with a CVSS score of 9.0 (CRITICAL). 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 ...
How severe is CVE-2017-7471?
CVE-2017-7471 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-7471?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.