(RHSA-2018:0040) Important: microcode_ctl security update

The microcodectl packages provide microcode updates for Intel and AMD processors. Security Fixes: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary...

Important kernel update: CVE-2017-8824 and other; Virtuozzo ReadyKernel patch 39.1 for Virtuozzo 7.0.6

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to Virtuozzo kernel 3.10.0-693.1.1.vz7.37.30 Virtuozzo 7.0.6. Vulnerability id: CVE-2017-8824 dccpdisconnect set the socket state to DCCPCLOSED but did not properly free some of the resourc...

Intel Confirms Its Much-Loathed ME Feature Has A Kill Switch

Researchers at Positive Technologies forced Intel’s hand at revealing that a previously undocumented kill switch exists for its oft-criticized Intel Management Engine, a remote management component of Intel CPUs. Initially, Positive Technologies set out to disable the feature that some security...

The Intel processor is now a security vulnerability: it can be used by hackers as a backdoor-a vulnerability warning-the black bar safety net

Recently, in Moscow security research Positive Technologies report notes that the Intel Management Engine 11 There is the death of button, can be used by hackers to steal. Management Engine Management Engine is Intel a Firmware Interface for processors and peripheral chip for communication, therm...

New GhostHook Attack Bypasses Windows 10 PatchGuard Protections

Vulnerabilities discovered in Microsoft PatchGuard kernel protection could allow hackers to plant rootkits on computers running the company's latest and secure operating system, Windows 10. Researchers at CyberArk Labs have developed a new attack technique which could allow hackers to completely...

USN-3186-1: iucode-tool vulnerability

It was discovered that iucode-tool incorrectly handled certain microcodes when using the -tr loader. If a user were tricked into processing a specially crafted microcode, a remote attacker could use this issue to cause iucode-tool to crash, resulting in a denial of service, or possibly execute...

Microsoft Windows Kernel - win32k.sys NtSetWindowLongPtr Local Privilege Escalation (MS16-135) (1)

Microsoft Windows Kernel - win32k.sys NtSetWindowLongPtr Local Privilege Escalation MS16-135 1 Complete Proof of Concept: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/40823.zip Presentation:...

Microsoft Windows Kernel win32k.sys - 'NtSetWindowLongPtr' Privilege Escalation (MS16-13

Exploit for windows platform in category local exploits Complete Proof of Concept: https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40823.zip I Know Where Your Page Lives: Derandomizing the latest Windows 10 Kernel - ZeroNights 2016 Requirements Intel Processo...

Microsoft Windows Kernel - 'win32k.sys NtSetWindowLongPtr' Local Privilege Escalation (MS16-135) (1)

Complete Proof of Concept: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/40823.zip Presentation: https://www.exploit-db.com/docs/english/40822-i-know-where-your-page-lives---de-randomizing-the-latest-windows-10-kernel.pdf I Know Where Your Page Lives:...

Google to Launch 'Andromeda OS' — An Android-Chrome OS Hybrid

Google's long-rumored Android-Chrome hybrid operating system is expected to debut at the company's upcoming hardware event on October 4. The company has been working to merge the two OSes for roughly 3 years with a release planned for 2017, but an "early version" to show things off to the world i...

OpenSSL: Side channel attack on modular exponentiation

A side-channel attack was found that makes use of cache-bank conflicts on the Intel Sandy-Bridge microarchitecture. An attacker who has the ability to control code in a thread running on the same hyper-threaded core as the victim's thread that is performing decryption, could use this flaw to...

kernel: kvm: vmx: invvpid vm exit not handled

It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invvpid Invalidate Translations Based on VPID instructions. On hosts with an Intel processor and invppid VM exit support, an unprivileged guest user could use these instructions to crash the guest...

kernel: kvm: vmx: invept vm exit not handled

It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invept Invalidate Translations Derived from EPT instructions. On hosts with an Intel processor and invept VM exit support, an unprivileged guest user could use these instructions to crash the guest...

RHEL 6 : kernel (RHSA-2014:1843)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2014:1843 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. A race condition flaw was found in the way the Linux...

kernel: kvm: vmx: invvpid vm exit not handled

It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invvpid Invalidate Translations Based on VPID instructions. On hosts with an Intel processor and invppid VM exit support, an unprivileged guest user could use these instructions to crash the guest...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

[SECURITY] [DSA 3060-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3060-1 [email protected] http://www.debian.org/security/ Salvatore Bonaccorso October 31, 2014 http://www.debian.org/security/faq -...

DSA-3060-1 linux - security update

Bulletin has no description...

kernel: x86_64: ptrace: sysret to non-canonical address

It was found that the Linux kernel's ptrace subsystem allowed a traced process' instruction pointer to be set to a non-canonical memory address without forcing the non-sysret code path when returning to user space. A local, unprivileged user could use this flaw to crash the system or, potentially...

CVE-2012-0217

The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix XenServer 6.0.2 and earlier and other products; Oracle Solaris 11 and earlier; illumos before r13724; Joyent SmartOS before 20120614T184600Z; FreeBSD before 9.0-RELEASE-p3; NetBSD 6.0 Beta and earlier; Microso...