Null pointer dereference

OpenBSD 4.2 allows local users to cause a denial of service kernel panic by calling the SIOCGIFRTLABEL IOCTL on an interface that does not have a route label, which triggers a NULL pointer dereference when the return value from the rtlabelid2name function is not checked...

CVE-2008-0384

OpenBSD 4.2 is affected. Local users can cause a kernel panic by invoking the SIOCGIFRTLABEL IOCTL on an interface without a route label, triggering a NULL pointer dereference when the return value from rtlabel_id2name isn’t checked. The concrete root cause is an unchecked rtlabel_id2name result ...

OpenBSD rtlabel_id2name()本地拒绝服务漏洞

BUGTRAQ ID: 27252 OpenBSD是一款开放源代码Unix类操作系统。 OpenBSD中对ifconfig rtlabel的rtlabelid2name调用没有正确地验证返回值，如果没有分配标记或ID无效的话rtlabelid2name就可能返回空。本地攻击者可以通过在没有分配路由标记的接口上使用SIOCGIFRTLABEL ioctl导致内核忙碌。 OpenBSD 4.2 厂商补丁： OpenBSD ------- 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：...