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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-202011-1640
    • <!--
  • 危害等级： 中危-->
  • 危害等级： 中危
  • CVE编号： CVE-2020-28915
  • 漏洞类型： 缓冲区错误
  • 发布时间： 2020-11-18
  • 威胁类型： 本地
  • 更新时间： 2021-03-01
  • 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 5.8.15之前版本存在安全漏洞，该漏洞源于fbcon代码中的缓冲区over-read (at the framebuffer layer)可以被本地攻击者用来读取内核内存.

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：

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15

参考网址

来源:MISC

链接:https://bugzilla.suse.com/show_bug.cgi?id=1178886

来源:MISC

链接:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16

来源:MISC

链接:https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15

来源:MISC

链接:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262

来源:MISC

链接:https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.4284/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.4391/

来源:www.auscert.org.au

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

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2020-28915

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0589

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.4377/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.4410/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/160305/Ubuntu-Security-Notice-USN-4657-1.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.4275/

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Linux-kernel-out-of-bounds-memory-reading-via-fbcon-get-font-33932

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.4341/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/160472/Ubuntu-Security-Notice-USN-4659-2.html

来源:packetstormsecurity.com

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

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/160342/Ubuntu-Security-Notice-USN-4660-1.html

受影响实体

    暂无


补丁

  • Linux kernel 缓冲区错误漏洞的修复措施
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