DEBIAN-CVE-2017-7493

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2017-7493
Published: 17 May 2017, 15:29
Last modified:28 Apr 2026, 20:17

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 May 2017, 15:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:17
Last Modified
Vulnerability information updated

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 virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•qemu

    < 1:2.8+dfsg-6 | < 1:2.8+dfsg-6 | < 1:2.8+dfsg-6 | < 1:2.8+dfsg-6

References (1)