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Email addresssecalert at redhat.com
First Active2006-01-15
Last Active2018-01-18
Red Hat Security Advisory 2018-0049-01
Posted Jan 6, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0049-01 - The ovirt-guest-agent-docker package provides the guest agent for Red Hat Linux Atomic Host virtual machines. The guest agent allows the Red Hat Virtualization Manager to receive internal guest events and retrieve information such as the IP address and the list of installed applications from the guest. Additionally the guest agent allows the Manager to execute specific commands, such as shut down or reboot, on guest virtual machines. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | ca24b224fc698c0a257cdc9b741689fe
Red Hat Security Advisory 2018-0040-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0040-01 - The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 2105473b19c542d9fdf2bf32a288bbd1
Red Hat Security Advisory 2018-0029-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0029-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems.

tags | advisory
systems | linux, redhat
MD5 | 886289f3b76394f2507d7e1d037fa7cc
Red Hat Security Advisory 2018-0036-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0036-01 - The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 9f5fcb29027f68b589207f3d869d7872
Red Hat Security Advisory 2018-0037-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0037-01 - The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 3252e1e183102fbe17a7acd1d828cf5e
Red Hat Security Advisory 2018-0034-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0034-01 - The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | a43d104b176f26109e5ae1fc5d63c408
Red Hat Security Advisory 2018-0038-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0038-01 - The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | c7f4b69949399ed843d9ddf2fc6f7b2a
Red Hat Security Advisory 2018-0039-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0039-01 - The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 2bbbd315347052fe4d1b7c6a3eff3e45
Red Hat Security Advisory 2018-0035-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0035-01 - The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | e55ab2f18c53bf7621a359a0098cae40
Red Hat Security Advisory 2018-0031-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0031-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems.

tags | advisory
systems | linux, redhat
MD5 | 0c237dbb79b2f83436ef36fcc6f681fe
Red Hat Security Advisory 2018-0030-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0030-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems.

tags | advisory
systems | linux, redhat
MD5 | ea6ccaae199352dd22ff8d222a686d88
Red Hat Security Advisory 2018-0032-01
Posted Jan 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0032-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems.

tags | advisory
systems | linux, redhat
MD5 | 2cf0ce29b8d16730b15717521736ea55
Red Hat Security Advisory 2018-0017-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0017-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Note: This issue is present in hardware and cannot be fully fixed via software update. The updated kernel packages provide software mitigation for this hardware issue at a cost of potential performance penalty. Please refer to References section for further information about this issue and the performance impact.

tags | advisory, kernel
systems | linux, redhat
MD5 | 39bed9fac84bdf24ace0c0efe4ab5fc9
Red Hat Security Advisory 2018-0016-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0016-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Note: This issue is present in hardware and cannot be fully fixed via software update. The updated kernel packages provide software mitigation for this hardware issue at a cost of potential performance penalty. Please refer to References section for further information about this issue and the performance impact.

tags | advisory, kernel
systems | linux, redhat
MD5 | 1e13e3f2277d51bb6269ff045b71d5fd
Red Hat Security Advisory 2018-0014-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0014-01 - The linux-firmware packages contain all of the firmware files that are required by various devices to operate. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 53cf96a76bcdf4aaf974a9126a9c2f16
Red Hat Security Advisory 2018-0015-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0015-01 - The linux-firmware packages contain all of the firmware files that are required by various devices to operate. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 50541f84a1810060be225dc2342f0b24
Red Hat Security Advisory 2018-0024-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0024-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory, kernel
systems | linux, redhat
MD5 | 0eb9276989573adc2cdaf16b4f25d07e
Red Hat Security Advisory 2018-0027-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0027-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory, kernel
systems | linux, redhat
MD5 | 2f93f8ae8588f3001897000c38c4e0a7
Red Hat Security Advisory 2018-0023-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0023-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory, kernel
systems | linux, redhat
MD5 | 7579a54acd8142ac579fbe724948d2a7
Red Hat Security Advisory 2018-0026-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0026-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory, kernel
systems | linux, redhat
MD5 | 3c418fb34d109f6447b5c426cda4c612
Red Hat Security Advisory 2018-0022-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0022-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Note: This issue is present in hardware and cannot be fully fixed via software update. The updated kernel packages provide software mitigation for this hardware issue at a cost of potential performance penalty. Please refer to References section for further information about this issue and the performance impact.

tags | advisory, kernel
systems | linux, redhat
MD5 | f037beeb75e226de3d868c3bf0486b6b
Red Hat Security Advisory 2018-0028-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0028-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 440b4d65caf96093b0114352aa8d0ff9
Red Hat Security Advisory 2018-0025-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0025-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.

tags | advisory
systems | linux, redhat
MD5 | 553185d2eb4535a3a50e1c06d5d1506c
Red Hat Security Advisory 2018-0021-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0021-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Note: This issue is present in hardware and cannot be fully fixed via software update. The updated kernel packages provide software mitigation for this hardware issue at a cost of potential performance penalty. Please refer to References section for further information about this issue and the performance impact.

tags | advisory, kernel
systems | linux, redhat
MD5 | be5ddb78d86fbfbb4c4cfde424816886
Red Hat Security Advisory 2018-0020-01
Posted Jan 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0020-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Note: This issue is present in hardware and cannot be fully fixed via software update. The updated kernel packages provide software mitigation for this hardware issue at a cost of potential performance penalty. Please refer to References section for further information about this issue and the performance impact.

tags | advisory, kernel
systems | linux, redhat
MD5 | 3f28ae423b0f42009ca8508aaf41b1c4
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