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RootSSV:12387HistorySep 23, 2009 - 12:00 a.m.
Linux Kernel kvm_emulate_hypercall函数非授权MMU调用漏洞
2009-09-2300:00:00
Root
www.seebug.org
21
0.001 Low
EPSS
Percentile
25.2%
CVE ID: CVE-2009-3290
Linux Kernel是开放源码操作系统Linux所使用的内核。
运行在x86系统上的Linux Kernel KVM虚拟机的arch/x86/kvm/x86.c文件中的kvm_emulate_hypercall函数没有限制ring 0对MMU超级调用的访问，这允许本地guest用户导致guest内核崩溃，或通过随机地址读取guest内核内存。
Linux kernel 2.6.x
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/linus/07708c4af1346ab1521b26a202f438366b7bcffd
Related
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RedHat Security Advisory RHSA-2009:1465
2009-10-06 00:00:00
Oracle Linux Local Check: ELSA-2009-1465
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CentOS Security Advisory CESA-2009:1465 (kvm)
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nessus
nessus
RHEL 5 : kvm (RHSA-2009:1465)
2013-01-24 00:00:00
CentOS 5 : kvm (CESA-2009:1465)
2010-01-06 00:00:00
Oracle Linux 5 : kvm (ELSA-2009-1465)
2013-07-12 00:00:00
cve
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2009-09-22 10:30:00
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fedora
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[SECURITY] Fedora 11 Update: kernel-2.6.30.9-90.fc11
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[SECURITY] Fedora 11 Update: kernel-2.6.30.9-96.fc11
2009-11-06 00:03:20
[SECURITY] Fedora 11 Update: kernel-2.6.30.9-102.fc11
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ubuntu
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2009-10-22 00:00:00