Linux kernel 2.6.x KVM 'create_pit_timer()'函数本地拒绝服务漏洞

Bugtraq ID: 51172 CVE ID：CVE-2011-4622 Linux是一款开放源代码的操作系统。 用户空间可创建PIT但忘记了设置irqchips，在这种情况下本地攻击者可以通过PIT IRQs使主机崩溃： codeBUG: unable to handle kernel NULL pointer dereference at 0000000000000128 IP: ffffffffa10f6280 kvmsetirq+0x30/0x170 kvm ... Call Trace: ffffffffa11228c1 pitdowork+0x51/0xd0 kvm...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2011:1849 Updated kernel packages that fix one security issue and various bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring...

CentOS 6 : qemu-kvm (CESA-2011:1777)

Updated qemu-kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CentOS 6 : qemu-kvm (CESA-2011:1801)

Updated qemu-kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 6.1 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a...

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

Updated kernel packages that fix one security issue and various bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...

Important: Red Hat Security Advisory: rhev-hypervisor6 security and bug fix update

An updated rhev-hypervisor6 package that fixes one security issue and two bugs is now available. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availabl...

qemu security update

CentOS Errata and Security Advisory CESA-2011:1777 Updated qemu-kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base...

qemu-kvm security update

qemu-kvm-0.12.1.2-2.209.el62.1 - kvm-ccid-Fix-buffer-overrun-in-handling-of-VSCATR-messa.patch bz751312 - CVE: CVE-2011-4111 - Resolves: bz751312 CVE-2011-4111 qemu: ccid: buffer overflow in handling of VSCATR message rhel-6.2.z...

qemu-kvm security, bug fix, and enhancement update

qemu-kvm-0.12.1.2-2.209.el6 - kvm-hda-do-not-mix-output-and-input-streams-RHBZ-740493-v2.patch bz740493 - kvm-hda-do-not-mix-output-and-input-stream-states-RHBZ-740493-v2.patch bz740493 - kvm-intel-hda-fix-stream-search.patch bz740493 - Resolves: bz740493 audio playing doesn't work when sound...

Important: Red Hat Security Advisory: qemu-kvm security update

Updated qemu-kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 6.1 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a...

Important: Red Hat Security Advisory: qemu-kvm security update

Updated qemu-kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Moderate: Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update

Updated qemu-kvm packages that fix one security issue, multiple bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score,...

Low: Red Hat Security Advisory: virt-v2v security and bug fix update

An updated virt-v2v package that fixes one security issue and several bugs is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severit...

kernel security, bug fix, and enhancement update

kernel 2.6.18-274.12.1.0.1.el5 - fix ia64 build error due to add-support-above-32-vcpus.patchZhenzhong Duan - x86 use dynamic vcpuinfo remap to support more than 32 vcpus Zhenzhong Duan - scsi add additional scsi medium error handling John Sobecki orabug 12904887 - x86 Fix lvt0 reset when hvm boo...

CVE-2011-4347

The kvmvmioctlassigndevice function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices and cause a denial of service host OS crash via a...

kernel security and bug fix update

2.6.32-131.21.1.el6 - net ipv6/udp: fix the wrong headroom check Thomas Graf 753167 698170 2.6.32-131.20.1.el6 - net vlan: fix panic when handling priority tagged frames Andy Gospodarek 742849 714936 CVE-2011-3593 - netdrv igb: fix WOL on second port of i350 device Frantisek Hrbata 743807 718293 ...

KVM / QEMU Guest Detection (uncredentialed check)

According to the MAC address of its network adapter, the remote host is a KVM / QEMU virtual machine. C Tenable Network Security, Inc. include"compat.inc"; ifdescription scriptid56877; scriptversion"1.4"; scriptcvsdate"Date: 2019/11/22"; scriptnameenglish:"KVM / QEMU Guest Detection uncredentiale...

(RHSA-2011:1408) Moderate: rhev-hypervisor security update

The rhev-hypervisor package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine KVM hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red...

CentOS Update for kernel CESA-2011:1386 centos5 i386

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptxrefname:"URL",...

KVM / QEMU Guest Detection (credentialed check)

According to its model name, the machine is running on a QEMU virtual processor. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid56300; scriptversion"$Revision: 1.2 $"; scriptcvsdate"$Date: 2011/11/21 21:29:12 $"; scriptnameenglish:"KVM / QEMU Guest Detection...