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Out-of-bounds Read Affecting qemu package, versions <1:2.8+dfsg-7

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Privileges Required High
    Availability High

    Threat Intelligence

    EPSS 0.06% (28th percentile)
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NVD
4.4 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-QEMU-427804
  • published 2 Aug 2017
  • disclosed 2 Aug 2017
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Introduced: 2 Aug 2017

CVE-2017-11334 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Debian:unstable 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:unstable relevant fixed versions and status.

The address_space_write_continue function in exec.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds access and guest instance crash) by leveraging use of qemu_map_ram_ptr to access guest ram block area.