CVE-2020-25603

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

CVE-2020-25603

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

Arbitrary Code Execution

xen is vulnerable to arbitrary code execution. The vulnerability exists as an issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain privileges because of missing memory barriers in read-write unlock paths. The read-write unlock paths don...

Xen Denial of Service Vulnerability (CNVD-2020-25869)

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in Xen 4.13....

DEBIAN-CVE-2020-11739

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain privileges because of missing memory barriers in read-write unlock paths. The read-write unlock paths don't contain a memory barrier. On Arm, this means a processor is allowed to...

ALPINE-CVE-2020-11739

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain privileges because of missing memory barriers in read-write unlock paths. The read-write unlock paths don't contain a memory barrier. On Arm, this means a processor is allowed to...

Updated kernel packages fix security vulnerabilities

This kernel update is based on the upstream 4.4.114 and fixes several security issues. The most important fixes in this update is for the security issue named "Spectre, variant 2 CVE-2017-5715" that is partly mitigated by enabling retpoline support. For full retpoline mitigation, kernel needs to ...

Unbreakable Enterprise kernel security update

4.1.12-61.63.1 - Revert 'kernel.spec: Require the new microcodectl.' Brian Maly - x86: Clean up IBRS functionality resident in common code Kanth Ghatraju Orabug: 27439198 - x86: Display correct settings for the SPECTREV2 bug Kanth Ghatraju Orabug: 27439198 - Set CONFIGGENERICCPUVULNERABILITIES fl...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4017)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2018-4017 advisory. - KVM: x86: Add memory barrier on vmcs field lookup Andrew Honig CVE-2017-5753 - KVM: VMX: remove I/O port 0x80 bypass on Intel hosts Andrew Honig Orabug:...

kernel security, bug fix, and enhancement update

2.6.32-696.OL6 - Update genkey bug 25599697 2.6.32-696 - net dccp: fix freeing skb too early for IPV6RECVPKTINFO Hannes Frederic Sowa 1424628 CVE-2017-6074 2.6.32-695 - block nvme: Dont poll device being removed David Milburn 1422521 2.6.32-694 - fs posixacl: Clear SGID bit when setting file...

RHEL 5 : kernel (RHSA-2013:1860)

Updated kernel packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 5.9 Extended Update Support. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score, whic...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2014:1023 Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 7. The Red Hat Security Response Team has rated this update as having Important security impact. Common Vulnerability Scorin...

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

Updated kernel packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 5.9 Extended Update Support. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score, whic...

RHEL 5 : kernel (RHSA-2013:1790)

Updated kernel packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

Scientific Linux Security Update : kernel on SL4.x i386/x86_64

This update addresses the following security issues : - a buffer overflow was found in the Linux kernel Partial Reliable Stream Control Transmission Protocol PR-SCTP implementation. This could, potentially, lead to a denial of service if a Forward-TSN chunk is received with a large stream ID...

SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 8162)

This Linux kernel update fixes various security issues and bugs in the SUSE Linux Enterprise 10 SP4 kernel. The following security issues have been fixed : - A memory corruption when mounting a hfsplus filesystem was fixed that could be used by local attackers able to mount filesystem to crash th...

CentOS Update for kernel CESA-2009:0331 centos4 i386

Check for the Version of kernel OpenVAS Vulnerability Test CentOS Update for kernel CESA-2009:0331 centos4 i386 Authors: System Generated Check Copyright: Copyright c 2011 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it und...

kernel security and bug fix update

2.6.9-89.0.18.0.1.EL - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug 6845794 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - backout patch sysrq-b that queues upto keventd thread Guru Anbalagane orabug 6125546 - netrx/netpoll race...

kernel security update

2.6.9-89.0.9.0.1.EL - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug 6845794 fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - backout patch sysrq-b that queues upto keventd thread Guru Anbalagane orabug 6125546 - netrx/netpoll race avoidanc...

RHEL 4 : kernel (RHSA-2009:0331)

The remote Redhat Enterprise Linux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2009:0331 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update addresses the following security issues: a...