RHSA-2019:2125: ovmf security and enhancement update (Moderate)
OVMF (Open Virtual Machine Firmware) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fix(es): * edk2: Privilege escalation via processing of malformed files in TianoCompress.c (CVE-2017-5731) * edk2: Privilege escalation via processing of malformed files in BaseUefiDecompressLib.c (CVE-2017-5732) * edk2: Privilege escalation via heap-based buffer overflow in MakeTable() function (CVE-2017-5733) * edk2: Privilege escalation via stack-based buffer overflow in MakeTable() function (CVE-2017-5734) * edk2: Privilege escalation via heap-based buffer overflow in Decode() function (CVE-2017-5735) * edk2: Logic error in MdeModulePkg in EDK II firmware allows for privilege escalation by authenticated users (CVE-2018-3613) * openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash) (CVE-2018-5407) * edk2: Stack buffer overflow with corrupted BMP (CVE-2018-12181) * edk2: buffer overflows in PartitionDxe and UdfDxe with long file names and invalid UDF media (CVE-2019-0160) * edk2: stack overflow in XHCI causing denial of service (CVE-2019-0161) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.