Linux kernel 安全漏洞

漏洞信息详情

Linux kernel 安全漏洞

CNNVD编号：CNNVD-202110-2026
危害等级：中危-->
危害等级：中危
CVE编号： CVE-2021-43056
漏洞类型：其他
发布时间： 2021-10-28
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 powerpc 5.14.15之前版本存在安全漏洞，该漏洞源于当主机运行在Power8上时，由于arch/powerpc/kvm/book3s_hv_rmhandlers在处理SRR1寄存器值时的实现错误，这允许恶意的KVM客户机使主机崩溃。

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=cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337

参考网址

来源:MISC

链接:https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/AA7EAPPKWG4LMTQQLNNSKATY6ST2KQFE/

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2021/10/28/1

来源:MISC

链接:https://lore.kernel.org/linuxppc-dev/[email protected]/T/#u

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/BBM4FP3IT3JZ2O7EBS7TEOG657N4ZGRE/

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/RRAIS3PG4EV5WFLYESR6FXWM4BJJGWVA/

来源:MISC

链接:https://git.kernel.org/linus/cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337

来源:packetstormsecurity.com

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

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164935/Ubuntu-Security-Notice-USN-5139-1.html

来源:access.redhat.com

链接:https://access.redhat.com/security/cve/cve-2021-43056

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-2021.3867

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3927

来源:www.auscert.org.au

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

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