Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The (1) execve and (2) fexecve system calls in the FreeBSD kernel 8.4 before p11, 9.1 before p14, 9.2 before p7, and 10.0 before p4 destroys the virtual memory address space and mappings for a process before all threads have terminated, which allows local users to cause a denial of service (triple-fault and system reboot) via a crafted system call, which triggers an invalid page table pointer dereference.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FreeBSD kernel 安全漏洞
Vulnerability Description
FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。kernel是其中的一个内核模块。 FreeBSD kernel中的execve和fexecve系统调用存在安全漏洞，该漏洞源于程序破坏虚拟内存地址空间，并在所有线程都终止之前映射进程。本地攻击者可通过特制的系统调用利用该漏洞造成拒绝服务（系统重新启动）。以下版本受到影响：FreeBSD kernel 8.4，9.1，9.2，10.0。
CVSS Information
N/A
Vulnerability Type
N/A