Linux Kernel ALSA驱动snd-page-alloc本地Proc文件信息泄露漏洞

BUGTRAQ ID: 25807 CVECAN ID: CVE-2007-4571 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux系统的ALSA声卡驱动实现上存在漏洞，本地攻击者可能利用此漏洞获取内核内存中的敏感信息。 Linux Kernel在处理多个/proc/driver/snd-page-alloc文件的读操作时存在安全漏洞，sound/core/memalloc.c文件中如下定义了读操作的系统调用sndmemprocread： 484 static int sndmemprocreadchar page, char start, offt of...

CVE-2007-4571: Undefined Security Weakness

The sndmemprocread function in sound/core/memalloc.c in the Advanced Linux Sound Architecture ALSA in the Linux kernel before 2.6.22.8 does not return the correct write size, which allows local users to obtain sensitive information kernel memory contents via a small count argument, as demonstrate...

Linux Kernel 2.6.x - ALSA snd-page-alloc Local Proc File Information Disclosure

/ source: https://www.securityfocus.com/bid/25774/info / The Linux kernel is prone to a local privilege-escalation vulnerability. Exploiting this issue may allow local attackers to gain elevated privileges, facilitating the complete compromise of affected computers. Versions of Linux kernel prior...