Linux kernel 安全漏洞

漏洞信息详情

Linux kernel 安全漏洞

CNNVD编号：CNNVD-202108-763
危害等级：中危-->
危害等级：中危
CVE编号： CVE-2021-38198
漏洞类型：其他
发布时间： 2021-08-08
威胁类型：本地
更新时间： 2021-10-26
厂商：
漏洞来源：

漏洞简介

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。

Linux kernel 存在安全漏洞，该漏洞源于5.12.11之前版本的Linux内核中的arch/x86/kvm/mmu/paging_tmpl.h错误地计算了影子页面的访问权限，导致缺少访客保护页面错误。

漏洞公告

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页：

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11

参考网址

来源:MISC

链接:https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11

来源:MISC

链接:https://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

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-2021.3034

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164594/Ubuntu-Security-Notice-USN-5116-2.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164098/Ubuntu-Security-Notice-USN-5070-1.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-2021.3511

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164585/Ubuntu-Security-Notice-USN-5116-1.html

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Linux-kernel-read-write-access-via-KVM-X86-MMU-Shadow-Page-36068

来源:www.auscert.org.au

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

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3535

来源:www.auscert.org.au

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

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3391

受影响实体

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补丁

Linux kernel 安全漏洞的修复措施

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Linux kernel 安全漏洞

漏洞信息详情