CVE-2009-4272: Improper Locking

A certain Red Hat patch for net/ipv4/route.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux RHEL 5 allows remote attackers to cause a denial of service deadlock via crafted packets that force collisions in the IPv4 routing hash table, and trigger a routing "emergency" in which a hash chai...

JunOS Malformed TCP Options Denial Of Service

!/usr/bin/perl my $host = shift; my $port = shift; use Net::Packet qw$Env; use Net::Packet::IPv4; my $ip = Net::Packet::IPv4-newdst = $host; use Net::Packet::TCP; my $tcp = Net::Packet::TCP-new dst = $port, options = "\x65\x02\x01\x01", ; use Net::Packet::Frame; my $frame = Net::Packet::Frame-new...

CentOS 4 : kernel (CESA-2009:1671)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

kernel security and bug fix update

2.6.9-89.0.18.0.1.EL - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug 6845794 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - backout patch sysrq-b that queues upto keventd thread Guru Anbalagane orabug 6125546 - netrx/netpoll race...

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

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

Linux Kernel ip_frag_reasm()函数空指针引用拒绝服务漏洞

BUGTRAQ ID: 37231 CVE ID: CVE-2009-1298 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel的ipv4/ipfragment.c文件中的ipfragreasm函数以错误的参数调用了IPINCSTATSBH，这可能允许远程攻击者通过超长的IP报文触发空指针引用，导致拒绝服务的情况。 Linux kernel 2.6.x 厂商补丁： Linux ----- 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：...

[USN-869-1] Linux kernel vulnerabilities

=========================================================== Ubuntu Security Notice USN-869-1 December 10, 2009 linux vulnerability CVE-2009-1298, CVE-2009-4131 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 9.10 This...

USN-869-1: Linux kernel vulnerabilities

David Ford discovered that the IPv4 defragmentation routine did not correctly handle oversized packets. A remote attacker could send specially crafted traffic that would cause a system to crash, leading to a denial of service. The fix was included in the earlier kernels from USN-864-1...

Ubuntu 9.10 : linux vulnerability (USN-869-1)

David Ford discovered that the IPv4 defragmentation routine did not correctly handle oversized packets. A remote attacker could send specially crafted traffic that would cause a system to crash, leading to a denial of service. The fix was included in the earlier kernels from USN-864-1...

CVE-2009-1298: Improper Restriction of Operations within the Bounds of a Memory Buffer

The ipfragreasm function in net/ipv4/ipfragment.c in the Linux kernel 2.6.32-rc8, and 2.6.29 and later versions before 2.6.32, calls IPINCSTATSBH with an incorrect argument, which allows remote attackers to cause a denial of service NULL pointer dereference and hang via long IP packets, possibly...

kernel security update

CentOS Errata and Security Advisory CESA-2009:1548 Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages...

RHEL 3 : kernel (RHSA-2009:1550)

Updated kernel packages that fix several security issues and multiple bugs are now available for Red Hat Enterprise Linux 3. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

RHEL 5 : kernel (RHSA-2009:1548)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

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

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

CVE-2009-0687

The pftestrule function in OpenBSD Packet Filter PF, as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service panic via crafted IP packets that trigger a NULL pointer dereference during...

CVE-2009-0687

The pftestrule function in OpenBSD Packet Filter PF, as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service panic via crafted IP packets that trigger a NULL pointer dereference during...

CVE-2009-0687: Undefined Security Weakness

The pftestrule function in OpenBSD Packet Filter PF, as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service panic via crafted IP packets that trigger a NULL pointer dereference during...

Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 : dhcp3 vulnerability (USN-803-1)

It was discovered that the DHCP client as included in dhcp3 did not verify the length of certain option fields when processing a response from an IPv4 dhcp server. If a user running Ubuntu 6.06 LTS or 8.04 LTS connected to a malicious dhcp server, a remote attacker could cause a denial of service...

USN-803-1: dhcp vulnerability

It was discovered that the DHCP client as included in dhcp3 did not verify the length of certain option fields when processing a response from an IPv4 dhcp server. If a user running Ubuntu 6.06 LTS or 8.04 LTS connected to a malicious dhcp server, a remote attacker could cause a denial of service...

HP-UX Update for TCP/IP (IPv4) HPSBUX01137

Check for the Version of TCP/IP IPv4 OpenVAS Vulnerability Test HP-UX Update for TCP/IP IPv4 HPSBUX01137 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...