<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="202003-13"> <title>musl: x87 floating-point stack adjustment imbalance</title> <synopsis>An x87 stack handling error in musl might allow an attacker to have an application dependent impact. </synopsis> <product type="ebuild">musl</product> <announced>2020-03-14</announced> <revised count="2">2020-03-15</revised> <bug>711276</bug> <access>local, remote</access> <affected> <package name="sys-libs/musl" auto="yes" arch="*"> <unaffected range="ge">1.1.24</unaffected> <vulnerable range="lt">1.1.24</vulnerable> </package> </affected> <background> <p>musl is an implementation of the C standard library built on top of the Linux system call API, including interfaces defined in the base language standard, POSIX, and widely agreed-upon extensions. </p> </background> <description> <p>A flaw in musl libc’s arch-specific math assembly code for i386 was found which can lead to x87 stack overflow in the execution of subsequent math code. </p> </description> <impact type="normal"> <p>Impact depends on how the application built against musl libc handles the ABI-violating x87 state. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All musl users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=sys-libs/musl-1.1.24" </code> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-14697">CVE-2019-14697</uri> </references> <metadata tag="requester" timestamp="2020-03-03T20:43:59Z">whissi</metadata> <metadata tag="submitter" timestamp="2020-03-15T00:52:05Z">whissi</metadata> </glsa>