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Linux kernel 缓冲区错误漏洞

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漏洞信息详情

Linux kernel 缓冲区错误漏洞

  • CNNVD编号：CNNVD-202011-2093
    • <!--
  • 危害等级： 高危-->
  • 危害等级： 高危
  • CVE编号： CVE-2020-27815
  • 漏洞类型： 缓冲区错误
  • 发布时间： 2020-11-30
  • 威胁类型： 本地
  • 更新时间： 2021-06-17
  • 厂        商：
  • 漏洞来源： Ubuntu

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 存在缓冲区错误漏洞，该漏洞允许攻击者通过dbAdjTree()强制读取一个无效的地址，以触发拒绝服务，或获取敏感信息。

漏洞公告

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法：

https://bugzilla.redhat.com/show_bug.cgi?id=1897668

参考网址

来源:MISC

链接:https://bugzilla.redhat.com/show_bug.cgi?id=1897668

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/11/30/5

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/12/28/1

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html

来源:DEBIAN

链接:https://www.debian.org/security/2021/dsa-4843

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

来源:MISC

链接:https://www.openwall.com/lists/oss-security/2020/11/30/5

来源:MISC

链接:https://www.openwall.com/lists/oss-security/2020/12/28/1

来源:MISC

链接:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c

来源:access.redhat.com

链接:https://access.redhat.com/security/cve/cve-2020-27815

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0837

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0717

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Linux-kernel-out-of-bounds-memory-reading-via-dbAdjTree-34004

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0556

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1635

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1655

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0348/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1307

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1231

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.2136

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1299

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1694

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161556/Ubuntu-Security-Notice-USN-4752-1.html

受影响实体

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补丁

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