Linux Kernel本地权限提升漏洞(CVE-2017-7184)

Linux Kernel本地权限提升漏洞(CVE-2017-7184)


发布日期:2017-03-16
更新日期:2017-04-05

受影响系统:

Linux kernel < 4.10.6

描述:


BUGTRAQ  ID: 97018
CVE(CAN) ID: CVE-2017-7184

Linux Kernel是Linux操作系统的内核。

Linux Kernel 4.10.6之前版本,net/xfrm/xfrm_user.c/xfrm_replay_verify_len函数在XFRM_MSG_NEWAE更新后,未验证某些大小数据,可使本地用户获取root权限或造成拒绝服务。

<*来源:Chaitin Security Research Lab
  *>

建议:


厂商补丁:

Linux
-----
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:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=677e806da4d916052585301785d847c3b3e6186a

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f843ee6dd019bcece3e74e76ad9df0155655d0df

http://openwall.com/lists/oss-security/2017/03/29/2

http://www.eweek.com/security/ubuntu-linux-falls-on-day-1-of-pwn2own-hacking-competition

https://blog.trendmicro.com/results-pwn2own-2017-day-one/

https://github.com/torvalds/linux/commit/677e806da4d916052585301785d847c3b3e6186a

https://github.com/torvalds/linux/commit/f843ee6dd019bcece3e74e76ad9df0155655d0df

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