漏洞信息详情

Linux kernel 权限许可和访问控制问题漏洞

• CNNVD编号：CNNVD-201703-834
• 危害等级： 高危
  
• CVE编号： CVE-2017-7184
• 漏洞类型： 权限许可和访问控制问题
• 发布时间： 2017-03-23
• 威胁类型： 本地
• 更新时间： 2021-10-12
• 厂        商： linux
• 漏洞来源： Red Hat

漏洞简介

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。

Linux kernel 4.10.6及之前的版本中的net/xfrm/xfrm_user.c文件的‘xfrm_replay_verify_len’函数存在权限许可和访问控制漏洞。本地攻击者可利用该漏洞获取root权限或造成拒绝服务（基于堆的越边界访问）。

漏洞公告

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接：

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f843ee6dd019bcece3e74e76ad9df0155655d0df

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=677e806da4d916052585301785d847c3b3e6186a

参考网址

来源:REDHAT

链接:https://access.redhat.com/errata/RHSA-2017:2930

来源:BID

链接:https://www.securityfocus.com/bid/97018

来源:REDHAT

链接:https://access.redhat.com/errata/RHSA-2017:2931

来源:MISC

链接:https://twitter.com/thezdi/status/842126074435665920

来源:CONFIRM

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

来源:CONFIRM

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

来源:REDHAT

链接:https://access.redhat.com/errata/RHSA-2017:2918

来源:CONFIRM

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

来源:CONFIRM

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

来源:MISC

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

来源:MISC

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

来源:CONFIRM

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

来源:CONFIRM

链接:https://source.CMS.zone.ci/e/tags/htag.php?tag=Android target=_blank class=infotextkey>Android.com/security/bulletin/2017-05-01

来源:SECTRACK

链接:http://www.securitytracker.com/id/1038166

来源:access.redhat.com

链接:https://access.redhat.com/errata/RHSA-2019:4168

来源:access.redhat.com

链接:https://access.redhat.com/errata/RHSA-2019:4164

来源:access.redhat.com

链接:https://access.redhat.com/errata/RHSA-2019:4159

来源:access.redhat.com

链接:https://access.redhat.com/errata/RHSA-2019:4154

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021101107

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2019.4608/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/155607/Red-Hat-Security-Advisory-2019-4159-01.HTML

来源:us-cert.cisa.gov

链接:https://us-cert.cisa.gov/ics/advisories/icsa-21-280-02

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3344

受影响实体

• Linux Linux_kernel:4.8  

补丁

• Linux kernel 权限许可和访问控制漏洞的修复措施