CVE-2017-7471

Qemu: 9p: virtfs allows guest to change filesystem attributes on host

Published Jul 9, 2018 CVSS 3.1 · 9.0 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-1035-1 qemu security update
Debian DLA Debian DLA DLA-965-1 qemu-kvm security update
EUVD EUVD EUVD-2017-16494 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 4:04 PM
Reserved
Apr 5, 2017, 12:00 AM
Status
Modified
Published
Jul 9, 2018, 2:29 PM
Modified
Jun 17, 2026, 1:24 AM
Severity
Important
Public date
Apr 18, 2017, 12:00 AM