Date: Wed, 16 Sep 2020 06:44:24 +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: r548761 - head/security/vuxml Message-ID: <202009160644.08G6iODs078558@repo.freebsd.org>
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Author: philip Date: Wed Sep 16 06:44:24 2020 New Revision: 548761 URL: https://svnweb.freebsd.org/changeset/ports/548761 Log: security/vuxml: add FreeBSD SA-20:28.bhyve_vmcs Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Wed Sep 16 06:44:19 2020 (r548760) +++ head/security/vuxml/vuln.xml Wed Sep 16 06:44:24 2020 (r548761) @@ -58,6 +58,40 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="2c5b9cd7-f7e6-11ea-88f8-901b0ef719ab"> + <topic>FreeBSD -- bhyve privilege escalation via VMCS access</topic> + <affects> + <package> + <name>FreeBSD-kernel</name> + <range><ge>12.1</ge><lt>12.1_10</lt></range> + <range><ge>11.4</ge><lt>11.4_4</lt></range> + <range><ge>11.3</ge><lt>11.3_14</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <h1>Problem Description:</h1> + <p>AMD and Intel CPUs support hardware virtualization using specialized data + structures that control various aspects of guest operation. These are the + Virtual Machine Control Structure (VMCS) on Intel CPUs, and the Virtual + Machine Control Block (VMCB) on AMD CPUs. Insufficient access controls allow + root users, including those running in a jail, to change these data + structures.</p> + <h1>Impact:</h1> + <p>An attacker with host root access (including to a jailed bhyve instance) can + use this vulnerability to achieve kernel code execution.</p> + </body> + </description> + <references> + <cvename>CVE-2020-24718</cvename> + <freebsdsa>SA-20:28.bhyve_vmcs</freebsdsa> + </references> + <dates> + <discovery>2020-09-15</discovery> + <entry>2020-09-16</entry> + </dates> + </vuln> + <vuln vid="bb53af7b-f7e4-11ea-88f8-901b0ef719ab"> <topic>FreeBSD -- ure device driver susceptible to packet-in-packet attack</topic> <affects>
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