Date: Mon, 11 Feb 2019 00:11:41 +0000 (UTC) From: Mark Felder <feld@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r492661 - head/security/vuxml Message-ID: <201902110011.x1B0BfXa045654@repo.freebsd.org>
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Author: feld Date: Mon Feb 11 00:11:41 2019 New Revision: 492661 URL: https://svnweb.freebsd.org/changeset/ports/492661 Log: Document FreeBSD-SA-19:02.fd Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Mon Feb 11 00:10:58 2019 (r492660) +++ head/security/vuxml/vuln.xml Mon Feb 11 00:11:41 2019 (r492661) @@ -58,6 +58,43 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="86c89abf-2d91-11e9-bf3e-a4badb2f4699"> + <topic>FreeBSD -- File description reference count leak</topic> + <affects> + <package> + <name>FreeBSD-kernel</name> + <range><ge>12.0</ge><lt>12.0_3</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <h1>Problem Description:</h1> + <p>FreeBSD 12.0 attempts to handle the case where the + receiving process does not provide a sufficiently large + buffer for an incoming control message containing rights. + In particular, to avoid leaking the corresponding descriptors + into the receiving process' descriptor table, the kernel + handles the truncation case by closing descriptors referenced + by the discarded message.</p> + <p>The code which performs this operation failed to release + a reference obtained on the file corresponding to a received + right. This bug can be used to cause the reference counter + to wrap around and free the file structure.</p> + <h1>Impact:</h1> + <p>A local user can exploit the bug to gain root privileges + or escape from a jail.</p> + </body> + </description> + <references> + <cvename>CVE-2019-5596</cvename> + <freebsdsa>SA-19:02.fd</freebsdsa> + </references> + <dates> + <discovery>2019-02-05</discovery> + <entry>2019-02-11</entry> + </dates> + </vuln> + <vuln vid="683c714d-2d91-11e9-bf3e-a4badb2f4699"> <topic>FreeBSD -- System call kernel data register leak</topic> <affects>
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