Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper…

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.

Scores

EPSS (exploitation in 30 days)

0.85% · top 41% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.

Weakness

• n/a
• CWE-732 (opens in a new tab)All about CWE-732 and its CVEs

Affected products

• n/a

  • affected n/a

References (5)

• https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9c6b899f7a46893ab3b671e341a2234e9c0c060e (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-201706-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 97970 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7471 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20170419 CVE-2017-7471 Qemu: 9p: virtfs allows guest to change filesystem attributes on host (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2017-7471](https://trackcve.app/badge/CVE-2017-7471.svg)](https://trackcve.app/cve/CVE-2017-7471)

Record last updated 5 Aug 2024, 16:04 UTC.