<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201510-02"> <title>QEMU: Arbitrary code execution</title> <synopsis>A heap-based buffer overflow in QEMU could result in execution of arbitrary code. </synopsis> <product type="ebuild">qemu</product> <announced>2015-10-31</announced> <revised count="1">2015-10-31</revised> <bug>551752</bug> <bug>555680</bug> <bug>556050</bug> <bug>556052</bug> <access>local, remote</access> <affected> <package name="app-emulation/qemu" auto="yes" arch="*"> <unaffected range="ge">2.3.0-r4</unaffected> <vulnerable range="lt">2.3.0-r4</vulnerable> </package> </affected> <background> <p>QEMU is a generic and open source machine emulator and virtualizer.</p> </background> <description> <p>Heap-based buffer overflow has been found in QEMU’s PCNET controller.</p> </description> <impact type="normal"> <p>A remote attacker could execute arbitrary code via a specially crafted packets. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All QEMU users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/qemu-2.3.0-r4" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3209">CVE-2015-3209</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3214">CVE-2015-3214</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5154">CVE-2015-5154</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5158">CVE-2015-5158</uri> </references> <metadata tag="requester" timestamp="2015-07-16T12:11:27Z"> BlueKnight </metadata> <metadata tag="submitter" timestamp="2015-10-31T15:00:35Z">Zlogene</metadata> </glsa>