Linux kernel 缓冲区错误漏洞

漏洞信息详情

Linux kernel 缓冲区错误漏洞

CNNVD编号：CNNVD-202110-1485
危害等级：中危-->
危害等级：中危
CVE编号： CVE-2021-42739
漏洞类型：缓冲区错误
发布时间： 2021-10-20
威胁类型：本地
更新时间： 2021-12-02
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 5.14.13及之前版本存在安全漏洞，该漏洞源于\"drivers/media/firewire/firedtv-avc.c\"和\"drivers/media/firewire/firedtv-ci.c\"中的avc_ca_pmt错误处理了边界检查。

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/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e。

参考网址

来源:MISC

链接:https://seclists.org/oss-sec/2021/q2/46

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/CKMQEOEESIO3GMHAOL3NYS36FER6UTWA/

来源:MISC

链接:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/6EHZNHNHRLPC2NJKUDS5PJG5AGRYJVJN/

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/AOWGMZ2MJFUGNA5QSD5JF4QHIC4URATS/

来源:CONFIRM

链接:https://security.netapp.com/advisory/ntap-20211118-0001/

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Linux-kernel-buffer-overflow-via-avc-ca-pmt-36687

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/165119/Ubuntu-Security-Notice-USN-5165-1.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3872

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3968

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.4040

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3938

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3839

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2021-42739

受影响实体

暂无

补丁

Linux kernel 缓冲区错误漏洞的修复措施

正文

Linux kernel 缓冲区错误漏洞

漏洞信息详情