Cryptsetup是是一个实用程序，用于基于DMCrypt内核模块方便地设置磁盘加密。
cryptsetup 存在安全漏洞，该漏洞源于软件对于数据真实性缺乏有效的验证。一个特别制作的LUKS头可以欺骗cryptsetup在设备恢复期间禁用加密。物理访问介质(如闪存盘)的攻击者可以利用这个漏洞迫使用户永久禁用该介质的加密层。
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：
https://access.redhat.com/security/cve/cve-2021-4122
来源:vigilance.fr
链接:https://vigilance.fr/vulnerability/cryptsetup-weak-encryption-via-Header-Rewrite-37266
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/165820/Red-Hat-Security-Advisory-2022-0370-03.html
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.0870
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/166005/Ubuntu-Security-Notice-USN-5286-1.html
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.0593
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.1071
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/165930/Red-Hat-Security-Advisory-2022-0476-01.html
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/166179/Red-Hat-Security-Advisory-2022-0721-01.html
来源:access.redhat.com
链接:https://access.redhat.com/security/cve/cve-2021-4122
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/166174/Red-Hat-Security-Advisory-2022-0687-01.html
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.0903
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.0855
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/166204/Red-Hat-Security-Advisory-2022-0595-02.html
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.1677
