漏洞信息详情

Linux kernel 缓冲区错误漏洞

• CNNVD编号：CNNVD-202207-1509
• 危害等级： 中危
  
• CVE编号： CVE-2021-33655
• 漏洞类型： 缓冲区错误
• 发布时间： 2022-07-18
• 威胁类型： 本地
• 更新时间： 2022-10-08
• 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存在缓冲区错误漏洞，该漏洞源于当通过ioctl cmd FBIOPUT_VSCREENINFO 向内核发送恶意数据时，内核会越界写入内存。

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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4

参考网址

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2022/07/19/2

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2022/10/msg00000.HTML

来源:DEBIAN

链接:https://www.debian.org/security/2022/dsa-5191

来源:MISC

链接:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168542/Ubuntu-Security-Notice-USN-5644-1.HTML

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168471/Ubuntu-Security-Notice-USN-5630-1.HTML

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168177/Ubuntu-Security-Notice-USN-5580-1.HTML

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Linux-kernel-buffer-overflow-via-FBIOPUT-VSCREENINFO-38847

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168649/Ubuntu-Security-Notice-USN-5660-1.HTML

来源:cxsecurity.com

链接:https://cxsecurity.com/cveshow/CVE-2021-33655/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168451/Ubuntu-Security-Notice-USN-5622-1.HTML

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168491/Ubuntu-Security-Notice-USN-5635-1.HTML

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4041

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4063

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4184

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4087

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4257

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4840

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4225

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168252/Ubuntu-Security-Notice-USN-5596-1.HTML

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4742

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4764

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2022072725

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2022.4118

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168530/Ubuntu-Security-Notice-USN-5640-1.HTML

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/168561/Ubuntu-Security-Notice-USN-5647-1.HTML

受影响实体

暂无

补丁

• Linux kernel 缓冲区错误漏洞的修复措施