Information Exposure Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.30


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.06% (26th percentile)

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  • Snyk ID SNYK-UBUNTU1404-QEMU-426858
  • published 9 Dec 2016
  • disclosed 9 Dec 2016

How to fix?

Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.30 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host heap memory information by reading xattribute values before writing to them.

CVSS Scores

version 3.1
Expand this section

NVD

6 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None