Information Exposure Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.35


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-UBUNTU1404-QEMU-427404
  • published 5 Jul 2017
  • disclosed 5 Jul 2017

How to fix?

Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.35 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 make_response function in drivers/block/xen-blkback/blkback.c in the Linux kernel before 4.11.8 allows guest OS users to obtain sensitive information from host OS (or other guest OS) kernel memory by leveraging the copying of uninitialized padding fields in Xen block-interface response structures, aka XSA-216.