Red Hat Linux Kernel路由实现多个远程拒绝服务漏洞

BUGTRAQ ID: 37875 CVE ID: CVE-2009-4272 Linux Kernel是开放源码操作系统Linux所使用的内核。 Red Hat版本的Linux Kernel的路由实现中存在两个拒绝服务漏洞。如果攻击者能够通过特制报文导致在路由哈希表中出现大量冲突以触发紧急路由flush，就会触发死锁；其次，如果禁用了内核路由缓存，在路由查询后会留下未初始化的指针，导致内核忙碌。 RedHat Linux 5.x 厂商补丁： RedHat ------ RedHat已经为此发布了一个安全公告（RHSA-2010:0046-01）以及相应补丁:...

Red Hat Linux内核路由实现多个远程拒绝服务漏洞

Bugraq ID: 37875 CVE ID：CVE-2009-4272 Red Hat是一款流行的linux发行版本。 如果攻击者能够在路由哈希表中引起足够数量的碰撞如通过特殊构建的报文，以触发紧急路由刷新，可发生死锁现象，或者如果在内核路由缓存禁用的情况下，在路由查询后会遗留未初始化指针，触发空指针应用而发生上述现象。 RedHat Enterprise Linux EUS 5.4.z server RedHat Enterprise Linux Desktop 5 client RedHat Enterprise Linux 5 server 厂商解决方案...

CentOS 4 : kernel (CESA-2009:1438)

Updated kernel packages that fix several 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...

CentOS 5 : kernel (CESA-2009:1670)

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...

RedHat Security Advisory RHSA-2009:1671

The remote host is missing updates announced in advisory RHSA-2009:1671. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: a flaw was found in the Realtek r8169 Ethernet driver in the Linux kernel. pciunmapsingle...

RedHat Security Advisory RHSA-2009:1670

The remote host is missing updates announced in advisory RHSA-2009:1670. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security fixes: NULL pointer dereference flaws in the r128 driver. Checks to test if the Concurrent Command Engine state was initialized...

RedHat Security Advisory RHSA-2009:1671

The remote host is missing updates announced in advisory RHSA-2009:1671. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: a flaw was found in the Realtek r8169 Ethernet driver in the Linux kernel. pciunmapsingle...

kernel security update

CentOS Errata and Security Advisory 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...

kernel security update

CentOS Errata and Security Advisory CESA-2009:1670 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 4 : kernel (RHSA-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...

RHEL 5 : kernel (RHSA-2009:1670)

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...

kernel: AF_UNIX: Fix deadlock on connecting to shutdown socket

net/unix/afunix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service system hang by creating an abstract-namespace AFUNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket...

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...

kernel: AF_UNIX: Fix deadlock on connecting to shutdown socket

net/unix/afunix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service system hang by creating an abstract-namespace AFUNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket...

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...

openSUSE Security Update : MozillaFirefox (MozillaFirefox-1597)

The Mozilla Firefox 3.5.5 release fixes some instability issues caused by the 3.5.4 security upgrade. One crash was assigned a CVE number: CVE-2009-3978: The nsGIFDecoder2::GifWrite function in decoders/gif/nsGIFDecoder2.cpp in libpr0n in Mozilla Firefox before 3.5.5 allows remote attackers to...

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

Updated kernel packages that fix multiple security issues and various bugs are now available for Red Hat Enterprise Linux 5.3 Extended Update Support. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel...

kernel: AF_UNIX: Fix deadlock on connecting to shutdown socket

net/unix/afunix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service system hang by creating an abstract-namespace AFUNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket...

Important: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Updated kernel-rt packages that fix several security issues, multiple bugs, and add enhancements are now available for Red Hat Enterprise MRG 1.1. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel-rt packages contain the Linux kernel,...