qemu security update

CentOS Errata and Security Advisory CESA-2012:0050 Updated qemu-kvm packages that fix one security issue, one bug, and add one enhancement 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...

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

Updated qemu-kvm packages that fix one security issue, one bug, and add one enhancement 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 give...

Low: Red Hat Bug Fix Advisory: libvirt bug fix and enhancement update

Updated libvirt packages that fix multiple bugs and add two enhancements are now available for Red Hat Enterprise Linux 6. The libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. These updated libvirt packages include...

kernel security, bug fix, and enhancement update

2.6.18-274.17.1.0.1.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 boot up wi...

Medium: kernel

Issue Overview: The Linux kernel before 3.2.2 does not properly restrict SGIO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to 1 a partition block device or 2 an LVM volume. Affected Packages: kernel Issue...

Linux kernel 2.6.x 'SG_IO IOCTL' SCSI请求本地特权提升漏洞

Bugtraq ID: 51176 CVE ID：CVE-2011-4127 Linux是一款开放源代码的操作系统。 Paolo Bonzini发现主机linux系统允许在分区或LVM卷上执行SGIO ioctl，并允许向底层块设备传递命令。这可进一步在虚拟化上下文利用，因为virtio磁盘通过SGIO ioctl支持有限的SCSI直通。如果分区上或LVM卷上的virtio磁盘设置为format=raw，类似sgdd的工具可用于读和写相同磁盘上的其他数据，即便这些数据属于宿主机或其他guest。 0 Linux kernel 2.6.x 厂商解决方案...

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...

kernel: possible privilege escalation via SG_IO ioctl

The Linux kernel before 3.2.2 does not properly restrict SGIO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to 1 a partition block device or 2 an LVM volume...

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...

kernel security and bug fix update

2.6.32-220.2.1.el6 - dm fixing test for NULL pointer testing Paolo Bonzini 752379 752380 CVE-2011-4127 2.6.32-220.1.1.el6 - dm do not forward ioctls from logical volumes to the underlying device Paolo Bonzini 752379 752380 CVE-2011-4127 - block fail SCSI passthrough ioctls on partition devices...

PT-2011-4852 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 3.2.2 Description: The issue allows local users to bypass intended restrictions on disk read and write operations. This is achieved by sending a SCSI command to either a partition block device or an LVM volume,...

SuSE 11.1 Security Update : Linux kernel (SAT Patch Numbers 5493 / 5510 / 5511)

The SUSE Linux Enterprise 11 Service Pack 1 kernel has been updated to version 2.6.32.49 and fixes various bugs and security issues. - The TCP/IP initial sequence number generation effectively only used 24 bits of 32 to generate randomness, making a brute-force man-in-the-middle attack on TCP/IP...

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...

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 ...

xen security update

CentOS Errata and Security Advisory CESA-2011:1401 Updated xen packages that fix one security issue and three 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. A Common Vulnerability Scoring System...

qemu: local DoS with SCSI CD-ROM

Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service guest crash via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has...

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

Updated xen packages that fix one security issue and three 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. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

PT-2014-2145 · Qemu +1 · Qemu +1

Name of the Vulnerable Software and Affected Versions: QEMU versions prior to 0.15.2 Description: A buffer overflow issue exists in the SCSI subsystem of QEMU, which could allow local guest users with permission to access the CD-ROM to cause a denial of service guest crash via a crafted SAI READ...

xen security and bug fix update

3.0.3-132.el57.2 - Release device backends before restarting guest on the destination machine rhbz 743850 - Fix SCSI buffer overflow and disable SCSI CD-ROMs rhbz 736289 3.0.3-132.el57.1 - hotplug: set netback/tap MTU to the same value as the bridge MTU rhbz 738608 - copy the MTU of the physical...