漏洞信息详情
Linux Kernel 'arch/x86/kvm/vmx.c'本地拒绝服务漏洞
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的arch/x86/kvm/vmx.c文件中的vmx_set_msr()函数没有正确地限制对EFER寄存器的访问。vmx_set_msr()不允许i386 guest访问EFER寄存器,但本地用户仍可通过开关中的default:标记访问。如果guest设置了EFER_LME的话,就可以导致主机崩溃。
漏洞公告
目前厂商已经发布了升级补丁以修复这个安全问题,补丁下载链接:
http://kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.29-git1.bz2
参考网址
来源:8311
链接:无
来源:FEDORA
链接:https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html
来源:SECUNIA
链接:http://secunia.com/advisories/35394
来源:MISC
链接:http://www.globalsecuritymag.com/Vigil-nce-Linux-kernel-denial-of
来源:SECUNIA
链接:http://secunia.com/advisories/34478
来源:SECUNIA
链接:http://secunia.com/advisories/35226
来源:BUGTRAQ
链接:http://www.securityfocus.com/archive/1/503610/100/0/threaded
来源:BID
链接:https://www.securityfocus.com/bid/34331
来源:MISC
链接:http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-EFER-8585
来源:CONFIRM
链接:https://bugzilla.redhat.com/show_bug.cgi?id=502109
来源:CONFIRM
链接:http://wiki.rpath.com/Advisories:rPSA-2009-0084
来源:DEBIAN
链接:https://www.debian.org/security/2009/dsa-1787
来源:MLIST
链接:http://openwall.com/lists/oss-security/2009/04/01/3
来源:DEBIAN
链接:https://www.debian.org/security/2009/dsa-1800
来源:CONFIRM
链接:http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1
来源:CONFIRM
链接:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=16175a796d061833aacfbd9672235f2d2725df65
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
来源:CONFIRM
链接:http://patchwork.kernel.org/patch/15549/
来源:SECUNIA
链接:http://secunia.com/advisories/35387
来源:XF
链接:https://exchange.xforce.ibmcloud.com/vulnerabilities/49594
来源:SECUNIA
链接:http://secunia.com/advisories/35121
来源:SECUNIA
链接:http://secunia.com/advisories/35120
来源:SECUNIA
链接:http://secunia.com/advisories/34981
来源:UBUNTU
链接:http://www.ubuntu.com/usn/usn-793-1
来源:VUPEN
链接:http://www.vupen.com/english/advisories/2009/0924
来源:SECUNIA
链接:http://secunia.com/advisories/35656
来源:CONFIRM
链接:http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.29-git1.log
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html
受影响实体
- Linux Linux_kernel:2.6.18.4<!--2000-1-1-->
- Linux Linux_kernel:2.6.18.5<!--2000-1-1-->
- Linux Linux_kernel:2.6.18.2<!--2000-1-1-->
- Linux Linux_kernel:2.6.18.3<!--2000-1-1-->
- Linux Linux_kernel:2.6.17.14<!--2000-1-1-->
补丁
暂无
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