KVM AMD 代码安全漏洞

漏洞信息详情

KVM AMD 代码安全漏洞

CNNVD编号：CNNVD-202108-1497
危害等级：高危-->
危害等级：高危
CVE编号： CVE-2021-3656
漏洞类型：其他
发布时间： 2021-08-16
威胁类型：
更新时间： 2021-11-18
厂商：
漏洞来源：

漏洞简介

KVM是基于内核的虚拟机。

KVM 的 AMD 代码中存在安全漏洞，该漏洞源于在处理 L1 来宾提供的 VMCB（虚拟机控制块）以生成/处理嵌套来宾 (L2) 时对“virt_ext”的不正确验证。

漏洞公告

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：

https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc

参考网址

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3206

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164193/Ubuntu-Security-Notice-USN-5073-2.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3034

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164652/Red-Hat-Security-Advisory-2021-3987-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3456

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3136

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3499

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3554

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3070

来源:access.redhat.com

链接:https://access.redhat.com/security/cve/cve-2021-3656

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164315/Red-Hat-Security-Advisory-2021-3676-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3470

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164583/Red-Hat-Security-Advisory-2021-3949-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3878

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Linux-kernel-read-write-access-via-KVM-Nested-VMLOAD-VMSAVE-36151

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164484/Red-Hat-Security-Advisory-2021-3802-01.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164747/Red-Hat-Security-Advisory-2021-4088-01.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164948/Red-Hat-Security-Advisory-2021-4618-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3934

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3222

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3243

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3485

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3661

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3225

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3147

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164478/Red-Hat-Security-Advisory-2021-3812-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3389

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164562/Red-Hat-Security-Advisory-2021-3925-01.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164993/Red-Hat-Security-Advisory-2021-4628-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3185

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164100/Ubuntu-Security-Notice-USN-5072-1.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164547/Red-Hat-Security-Advisory-2021-3909-01.html

受影响实体

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补丁

KVM AMD 代码安全漏洞的修复措施

正文

KVM AMD 代码安全漏洞

漏洞信息详情