漏洞信息详情

Linux kernel 安全漏洞

• CNNVD编号：CNNVD-202112-1930
• 危害等级： 中危
  
• CVE编号： CVE-2021-28714
• 漏洞类型： 其他
• 发布时间： 2021-12-20
• 威胁类型： 本地
• 更新时间： 2022-04-14
• 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。KVM是其中的一个基于内核的虚拟机。

Linux kernel 存在安全漏洞，该漏洞源于来宾用户可以强制 Linux netback 驱动程序占用大量内核内存。

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：

http://xenbits.xen.org/xsa/advisory-392.HTML

参考网址

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2022/03/msg00011.HTML

来源:MISC

链接:https://xenbits.xenproject.org/xsa/advisory-392.txt

来源:DEBIAN

链接:https://www.debian.org/security/2022/dsa-5096

来源:DEBIAN

链接:https://www.debian.org/security/2022/dsa-5050

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2022/03/msg00012.HTML

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/166099/Ubuntu-Security-Notice-USN-5298-1.HTML

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0983

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0250

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0380

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.4326

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.1629

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0615

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2021-28714

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0129

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Xen-Noyau-Linux-overload-via-Netback-Driver-Hog-37115

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0205

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0215

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0622

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.0610

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.1237

受影响实体

暂无

补丁

• Linux kernel 安全漏洞的修复措施