Incorrect Permission Assignment for Critical Resource Affecting qemu-kvm package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-UBUNTU1204-QEMUKVM-343395
  • published17 May 2017
  • disclosed17 May 2017

Introduced: 17 May 2017

CVE-2017-7493  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:12.04 qemu-kvm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm package and not the qemu-kvm package as distributed by Ubuntu. See How to fix? for Ubuntu:12.04 relevant fixed versions and status.

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 Scores

version 3.1