CVE-2016-1714

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CVE-2016-1714

Summary:

Details: The (1) fw_cfg_write and (2) fw_cfg_read functions in hw/nvram/fw_cfg.c in QEMU before 2.4, when built with the Firmware Configuration device emulation support, allow guest OS users with the CAP_SYS_RAWIO privilege to cause a denial of service (out-of-bounds read or write access and process crash) or possibly execute arbitrary code via an invalid current entry value in a firmware configuration.

References: http://rhn.redhat.com/errata/RHSA-2016-0081.html, http://rhn.redhat.com/errata/RHSA-2016-0082.html, http://rhn.redhat.com/errata/RHSA-2016-0083.html, http://rhn.redhat.com/errata/RHSA-2016-0084.html, http://rhn.redhat.com/errata/RHSA-2016-0086.html, http://rhn.redhat.com/errata/RHSA-2016-0087.html, http://www.debian.org/security/2016/dsa-3469, http://www.debian.org/security/2016/dsa-3470, http://www.debian.org/security/2016/dsa-3471, http://www.openwall.com/lists/oss-security/2016/01/11/7, http://www.openwall.com/lists/oss-security/2016/01/12/10, http://www.openwall.com/lists/oss-security/2016/01/12/11, http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.securityfocus.com/bid/80250, http://www.securitytracker.com/id/1034858, https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00428.html, https://security.gentoo.org/glsa/201604-01, http://rhn.redhat.com/errata/RHSA-2016-0085.html, http://rhn.redhat.com/errata/RHSA-2016-0088.html