Information Exposure Affecting qemu package, versions <1:2.8+dfsg-7


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Confidentiality High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
6.5 medium
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Red Hat
3 low

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  • Snyk ID SNYK-DEBIAN11-QEMU-515768
  • published 5 Jul 2017
  • disclosed 5 Jul 2017

How to fix?

Upgrade Debian:11 qemu to version 1:2.8+dfsg-7 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 Debian. See How to fix? for Debian:11 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.