Linux kernel内存错误引用漏洞(CNVD-2017-00070)修复

标题: Linux kernel内存错误引用漏洞(CNVD-2017-00070)
CVSS分值: 6.9
CVSS: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
披露时间: 2016-12-30 00:00:00
利用难度: MEDIUM
POC公开时间: 2017-05-30 03:17:25
CVEID: CVE-2016-10088

简介:

The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576.

解决方案:

登录到服务器上运行以下命令即可。

 yum update kernel
 yum update kernel-headers
 yum update kernel-tools
 yum update kernel-tools-libs
 yum update python-perf
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