CVE-2009-4031

The doinsnfetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service increased scheduling...

PT-2009-6214 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 2.6.32-rc8-next-20091125 Description: The issue is related to the x86 emulator in the KVM subsystem of the Linux kernel. It allows guest OS users to cause a denial of service, specifically increased scheduling...

SLES10: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: kernel-bigsmp kernel-debug kernel-default kernel-kdump kernel-smp kernel-source kernel-syms kernel-vmi kernel-vmipae kernel-xen kernel-xenpae More details ma...

SLES10: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: kernel-bigsmp kernel-debug kernel-default kernel-kdump kernel-smp kernel-source kernel-syms kernel-vmi kernel-vmipae kernel-xen kernel-xenpae More details ma...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: um-host-kernel kernel-source kernel-syms um-host-install-initrd kernel-um kernel-default kernel-debug kernel-bigsmp kernel-smp For more information, please...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: um-host-install-initrd kernel-source kernel-bigsmp kernel-smp kernel-default kernel-syms kernel-um um-host-kernel kernel-debug More details may also be found...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: kernel-um kernel-debug kernel-smp kernel-source kernel-default kernel-syms kernel-bigsmp More details may also be found by searching for keyword 5018333 with...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: um-host-install-initrd um-host-kernel kernel-debug kernel-bigsmp kernel-default kernel-smp kernel-source kernel-syms kernel-um kernel-xen kernel-xenpae For...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: kernel-debug kernel-syms um-host-kernel kernel-source um-host-install-initrd kernel-um kernel-bigsmp kernel-smp kernel-default For more information, please...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: um-host-install-initrd kernel-default kernel-bigsmp um-host-kernel kernel-um kernel-debug kernel-smp kernel-source kernel-syms More details may also be found...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: kernel-debug kernel-syms um-host-kernel kernel-source um-host-install-initrd kernel-um kernel-bigsmp kernel-smp kernel-default For more information, please...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: um-host-install-initrd kernel-smp kernel-source kernel-debug um-host-kernel kernel-bigsmp kernel-um kernel-syms kernel-default For more information, please...

SLES9: Security update for Linux kernel

The remote host is missing updates to packages that affect the security of your system. One or more of the following packages are affected: um-host-install-initrd um-host-kernel kernel-debug kernel-bigsmp kernel-default kernel-smp kernel-source kernel-syms kernel-um kernel-xen kernel-xenpae For...

Re: [Full-disclosure] FreeBSD <= 6.1 kqueue() NULL pointer dereference

Przemyslaw Frasunek pisze: FreeBSD = 6.1 suffers from classical check/use race condition on SMP There is yet another kqueue related vulnerability. It affects 6.x, up to 6.4-STABLE. FreeBSD security team was notified on 29th Aug, but there is no response until now, so I won't publish any details...

BSD systems kevent race conditions

Race conditions on SMP systems...

FreeBSD kevent()系统调用竞争条件漏洞

BUGTRAQ ID: 36101 FreeBSD就是一种运行在Intel平台上、可以自由使用的开放源码Unix类系统。 FreeBSD的SMP系统中的kevent系统调用存在竞争条件错误。如果本地用户生成了两个线程，其中第一个线程循环执行open和close系统调用而第二个线程循环执行kevent尝试添加无效的文件描述符，就会触发内核态的空指针引用，导致拒绝服务或运行root shell。 FreeBSD = 6.1 厂商补丁： FreeBSD ------- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：...

FreeBSD <= 6.1 kqueue() NULL pointer Dereference Local Root Exploit

No description provided by source. FreeBSD = 6.1 suffers from classical check/use race condition on SMP systems in kevent syscall, leading to kernel mode NULL pointer dereference. It can be triggered by spawning two threads: 1st thread looping on open and close syscalls, and the 2nd thread loopin...

FreeBSD <= 6.1 kqueue() NULL pointer dereference

FreeBSD = 6.1 suffers from classical check/use race condition on SMP systems in kevent syscall, leading to kernel mode NULL pointer dereference. It can be triggered by spawning two threads: 1st thread looping on open and close syscalls, and the 2nd thread looping on kevent, trying to add possibly...

FreeBSD 6.1 - 'kqueue()' Null Pointer Dereference Privilege Escalation

/ FreeBSD include include include include include include include include include include include include int fd, kq; struct kevent kev, ke; struct timespec timeout; volatile int gotroot = 0; static void kernelcodevoid struct thread thread; gotroot = 1; asm "movl %%fs:0, %0" : "=r"thread ;...

FreeBSD <= 6.1 kqueue() NULL pointer Dereference Local Root Exploit

Exploit for freebsd platform in category local exploits =================================================================== FreeBSD include include include include include include include include include include include include int fd, kq; struct kevent kev, ke; struct timespec timeout; volatile...