Linux Kernel TIOCSETD终端子系统竞态条件漏洞

漏洞信息详情

Linux Kernel TIOCSETD终端子系统竞态条件漏洞

漏洞简介

Linux 2.6.9以前的2.4.x,和2.6.x版本的终端层存在多个竞态条件漏洞。(1)本地用户通过调用TIOCSETD ioctl到正在访问另一个线程的终端接口获得核心数据部分,或者(2)远程攻击者通过从控制台切换到PPP线路规则导致服务拒绝,然后迅速发送交换机接收到的数据。

漏洞公告

This issue has been addressed in version 2.6.9 of the Linux Kernel. Patches are also available for 2.4.x releases.
The Fedora Legacy project has released advisory FLSA:2336 to address this issue for Red Hat Fedora Core 1, Red Hat Linux 7.3 and 9. Please see the referenced advisory for further information.
Ubuntu Linux has released advisory USN-38-1 along with fixes to address this, and other issues. Please see the referenced advisory for further information.
MandrakeSoft has issued fixes in advisory MDKSA-2005:022. See reference section.
TurboLinux has released Turbolinux Security Announcement 28/Feb/2005 dealing with this and other issues. Please see the referenced advisory for more information.
SuSE Linux has released advisory SUSE-SA:2005:018 along with fixes dealing with this and other issues. Please see the referenced advisory for more information.
Red Hat released advisory RHSA-2005:293-16 as well as fixes to address this and other issues on Red Hat Linux Enterprise platforms. Customers who are affected by this issue are advised to apply the appropriate updates. Customers subscribed to the Red Hat Network may apply the appropriate fixes using the Red Hat Update Agent (up2date). Please see referenced advisories for additional information.
Avaya has released advisory ASA-2005-120 stating which Avaya products are vulnerable to this issue. Please see the referenced advisory for further details. No Avaya fixes are currently available.

Linux kernel 2.4.20

Linux kernel 2.4.21

参考网址

来源: XF
名称: linux-tiocsetd-race-condition(17816)
链接:http://xforce.iss.net/xforce/xfdb/17816

来源: BID
名称: 11492
链接:http://www.securityfocus.com/bid/11492

来源: BID
名称: 11491
链接:http://www.securityfocus.com/bid/11491

来源: FEDORA
名称: FLSA:2336
链接:https://bugzilla.fedora.us/show_bug.cgi?id=2336

来源: BUGTRAQ
名称: 20041020 CAN-2004-0814: Linux terminal layer races
链接:http://www.securityfocus.com/archive/1/379005

来源: OVAL
名称: oval:org.mitre.oval:def:10728
链接:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10728

来源: BUGTRAQ
名称: 20041214 [USN-38-1] Linux kernel vulnerabilities
链接:http://marc.theaimsgroup.com/?l=bugtraq&m=110306397320336&w=2

来源: bugzilla.redhat.com
链接:http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=133110

来源: bugzilla.redhat.com
链接:http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=131672

来源: REDHAT
名称: RHSA-2005:293
链接:http://www.redhat.com/support/errata/RHSA-2005-293.html

来源: MANDRAKE
名称: MDKSA-2005:022
链接:http://www.mandriva.com/security/advisories?name=MDKSA-2005:022

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