[SECURITY] [DSA 4210-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4210-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 25, 2018 https://www.debian.org/security/faq -...

Fedora 27 : linux-firmware (2018-41af2a8d65)

Microcode update for AMD cpus Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. %NASLMINLEVEL 70300 ...

Fedora 27 : dracut (2018-53f304b0d3)

Adds support for early microcode for AMD CPUs family = 0x17. Note: Intel CPU support is fine. To add the microcode to all your initramfs images: dracut --regenerate-all --force To only add it to the current kernel version: dracut --force Note that Tenable Network Security has extracted the...

Fedora 26 : linux-firmware (2018-c4670f2981)

Microcode update for AMD cpus Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. %NASLMINLEVEL 70300 ...

Multiple CPUs - Information Leak Using Speculative Execution Exploit

Exploit for hardware platform in category dos / poc == INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machine with a...

Fedora 26 : dracut (2018-9bcc7b0b70)

Adds support for early microcode for AMD CPUs family = 0x17. Note: Intel CPU support is fine. To add the microcode to all your initramfs images: dracut --regenerate-all --force To only add it to the current kernel version: dracut --force Note that Tenable Network Security has extracted the...

virtual PMU is unsupported

ISSUE DESCRIPTION The Virtual Performance Measurement Unit feature has been documented as unsupported, so far only on Intel CPUs. Further issues have been found or are suspected which would also or exclusively affect AMD CPUs. We believe that the functionality is mostly intended for non-productio...

OracleVM 3.2 : xen (OVMSA-2013-0042)

The remote OracleVM system is missing necessary patches to address critical security updates : - Other than the HVM emulation path, the PV case so far failed to check that YMM state requires SSE state to be enabled, allowing for a GP to occur upon passing the inputs to XSETBV inside the hyperviso...

OracleVM 3.1 : xen (OVMSA-2013-0043)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/xsave: properly check guest input to XSETBV Other than the HVM emulation path, the PV case so far failed to check that YMM state requires SSE state to be enabled, allowing for a GP to occur upon...

[SECURITY] [DSA 2926-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-2926-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff May 12, 2014 http://www.debian.org/security/faq -...

DSA-2926-1 linux - security update

Bulletin has no description...

Important: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Updated kernel-rt packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise MRG 2.5. The Red Hat Security Response Team has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base...

CentOS Update for kernel CESA-2014:0285 centos5

Check for the Version of kernel OpenVAS Vulnerability Test CentOS Update for kernel CESA-2014:0285 centos5 Authors: System Generated Check Copyright: Copyright C 2014 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under th...

RHEL 5 : kernel (RHSA-2014:0285)

Updated kernel packages that fix multiple security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores,...

SuSE 11.3 Security Update : Xen (SAT Patch Number 8063)

The Xen hypervisor and toolset has been updated to 4.2.206 to fix various bugs and security issues : The following security issues have been addressed : - Various integer overflows in the ELF loader were fixed. XSA-55. CVE-2013-2194 - Various pointer dereferences issues in the ELF loader were...

Fedora 17 : xen-4.1.5-5.fc17 (2013-10247)

Information leak on XSAVE/XRSTOR capable AMD CPUs XSA-52, CVE-2013-2076 970206 Hypervisor crash due to missing exception recovery on XRSTOR XSA-53, CVE-2013-2077 970204 Hypervisor crash due to missing exception recovery on XSETBV XSA-54, CVE-2013-2078 970202 Multiple vulnerabilities in libelf PV...

Fedora 19 : xen-4.2.2-6.fc19 (2013-9986)

Information leak on XSAVE/XRSTOR capable AMD CPUs XSA-52, CVE-2013-2076 970206 Hypervisor crash due to missing exception recovery on XRSTOR XSA-53, CVE-2013-2077 970204 Hypervisor crash due to missing exception recovery on XSETBV XSA-54, CVE-2013-2078 970202 Multiple vulnerabilities in libelf PV...

Oracle Linux 5 : kernel (ELSA-2012-1061)

The remote Oracle Linux 5 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2012-1061 advisory. - xen x8664: check address on trap handlers or guest callbacks Paolo Bonzini 813430 813431 CVE-2012-0217 - xen x8664: Do not execute sysret with a non-canonical...

Oracle Linux 5 : kernel (ELSA-2012-0721-1)

From Red Hat Security Advisory 2012:0721 : Updated kernel packages that fix two security issues are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, whi...

Xen PV DoS vulnerability with SYSENTER

ISSUE DESCRIPTION The SYSENTER instruction can be used by PV guests to accelerate system call processing. This instruction, however, leaves the EFLAGS register mostly unmodified - in particular, the NT flag doesn't get cleared. If the hypervisor subsequently uses IRET to return to the guest which...