CVE-2017-7493
HIGH
7.8
CVSS Score
Published: May 17, 2017 at 03:00 PM UTC
Updated: June 17, 2026 at 01:24 AM UTC
2 products affected across 2 vendorsDebian LinuxQEMU
Using qemu by QEMU?
Get instant alerts when new vulnerabilities affect qemu - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://seclists.org/oss-sec/2017/q2/278VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/98574x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1451709Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.htmlVendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/201706-03CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-732
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card