Linux Kernel KVM 拒绝服务漏洞(CVE-2013-1798)

BUGTRAQ ID: 58604 CVECAN ID: CVE-2013-1798 Linux Kernel是Linux操作系统的内核。 如果客户端指定了带有无效值的IOAPICREGSELECT，然后读取IOAPICREGWINDOW，KVM就不会正确验证该请求。ioapicreadindirect包含了ASSERTredirindex IOAPICNUMPINS，但ASSERT在非调试build中不起作用。在最近版本中，读取无效内存会造成内核崩溃，在较早版本内，会允许客户端读取较大范围的主机内存。攻击者可利用此漏洞触发内核崩溃，拒绝服务合法用户。 0 Linux kernel 3....

USN-1778-1: Linux kernel (OMAP4) vulnerabilities

Andrew Jones discovered a flaw with the xeniret function in Linux kernel's Xen virtualizeation. In the 32-bit Xen paravirt platform an unprivileged guest OS user could exploit this flaw to cause a denial of service crash the system or gain guest OS privilege. CVE-2013-0228 A flaw was reported in...

DEBIAN-CVE-2013-1797

Use-after-free vulnerability in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 allows guest OS users to cause a denial of service host OS memory corruption or possibly have unspecified other impact via a crafted application that triggers use of a guest physical address GPA in 1 movable or 2...

CVE-2013-1798

The CVE-2013-1798 entry concerns the Linux kernel’s ioapic_read_indirect() in virt/kvm/ioapic.c up to version 3.8.4. A particular sequence of invalid IOAPIC_REG_SELECT/IOAPIC_REG_WINDOW operations can allow a privileged guest OS user to read sensitive host memory or trigger a host OOPS, per multi...

Code injection

libvirt 1.0.2 and earlier sets the group owner to kvm for device files, which allows local users to write to these files via unspecified vectors...

[SECURITY] [DSA 2650-1] libvirt-bin security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2650-1 [email protected] http://www.debian.org/security/ Yves-Alexis Perez March 15, 2013 http://www.debian.org/security/faq -...

Debian DSA-2650-2 : libvirt - files and device nodes ownership change to kvm group

Bastian Blank discovered that libvirtd, a daemon for management of virtual machines, network and storage, would change ownership of devices files so they would be owned by user 'libvirt-qemu' and group 'kvm', which is a general purpose group not specific to libvirt, allowing unintended write acce...

Debian Security Advisory DSA 2650-2 (libvirt - files and device nodes ownership change to kvm group)

Bastian Blank discovered that libvirtd, a daemon for management of virtual machines, network and storage, would change ownership of devices files so they would be owned by user libvirt-qemu and group kvm , which is a general purpose group not specific to libvirt, allowing unintended write access ...

[SECURITY] [DSA 2650-1] libvirt-bin security update

------------------------------------------------------------------------- Debian Security Advisory DSA-2650-1 [email protected] http://www.debian.org/security/ Yves-Alexis Perez March 15, 2013 http://www.debian.org/security/faq -...

DSA-2650-1 libvirt - files and device nodes ownership change to kvm group

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

An updated rhev-hypervisor6 package that fixes several security issues and various bugs is now available. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...

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

Updated qemu-kvm-rhev packages that fix one security issue are now available for Red Hat OpenStack Folsom. 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, i...

CentOS Update for kmod-kvm CESA-2013:0608 centos5

The remote host is missing an update for the SPDX-FileCopyrightText: 2013 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",...

CentOS Update for qemu-guest-agent CESA-2013:0609 centos6

Check for the Version of qemu-guest-agent OpenVAS Vulnerability Test CentOS Update for qemu-guest-agent CESA-2013:0609 centos6 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/o...

CentOS Update for qemu-guest-agent CESA-2013:0609 centos6

The remote host is missing an update for the SPDX-FileCopyrightText: 2013 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",...

CentOS Update for kmod-kvm CESA-2013:0608 centos5

Check for the Version of kmod-kvm OpenVAS Vulnerability Test CentOS Update for kmod-kvm CESA-2013:0608 centos5 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it unde...

CentOS 6 : qemu-kvm (CESA-2013:0609)

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 5 : kvm (CESA-2013:0608)

Updated kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 5. 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 : kernel (CESA-2013:0496)

Updated kernel packages that fix multiple security issues, address several hundred bugs, and add numerous enhancements are now available as part of the ongoing support and maintenance of Red Hat Enterprise Linux version 6. This is the fourth regular update. The Red Hat Security Response Team has...

qemu security update

CentOS Errata and Security Advisory CESA-2013:0609 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...