Date: Thu, 25 Feb 2021 02:33:13 +0000 (UTC) From: Philip Paeps <philip@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r566520 - head/security/vuxml Message-ID: <202102250233.11P2XDiT087802@repo.freebsd.org>
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Author: philip Date: Thu Feb 25 02:33:12 2021 New Revision: 566520 URL: https://svnweb.freebsd.org/changeset/ports/566520 Log: security/vuxml: add FreeBSD SA-21:04.jail_remove Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Thu Feb 25 02:33:09 2021 (r566519) +++ head/security/vuxml/vuln.xml Thu Feb 25 02:33:12 2021 (r566520) @@ -78,6 +78,40 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="31ad2f10-7711-11eb-b87a-901b0ef719ab"> + <topic>FreeBSD -- jail_remove(2) fails to kill all jailed processes</topic> + <affects> + <package> + <name>FreeBSD-kernel</name> + <range><ge>12.2</ge><lt>12.2_4</lt></range> + <range><ge>11.4</ge><lt>11.4_8</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <h1>Problem Description:</h1> + <p>Due to a race condition in the jail_remove(2) implementation, it + may fail to kill some of the processes.</p> + <h1>Impact:</h1> + <p>A process running inside a jail can avoid being killed during jail + termination. If a jail is subsequently started with the same root + path, a lingering jailed process may be able to exploit the window + during which a devfs filesystem is mounted but the jail's devfs + ruleset has not been applied, to access device nodes which are + ordinarily inaccessible. If the process is privileged, it may be able + to escape the jail and gain full access to the system.</p> + </body> + </description> + <references> + <cvename>CVE-2020-25581</cvename> + <freebsdsa>SA-21:04.jail_remove</freebsdsa> + </references> + <dates> + <discovery>2021-02-24</discovery> + <entry>2021-02-25</entry> + </dates> + </vuln> + <vuln vid="5b8c6e1e-770f-11eb-b87a-901b0ef719ab"> <topic>FreeBSD -- Xen grant mapping error handling issues</topic> <affects>
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