CVE:CVE-2021-33655
CNNVD:CNNVD-202207-1509
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。
solution:Upgrade linux linux_kernel to a higher version than 5.19,5.19:rc1,5.19:rc2,5.19:rc3,5.19:rc4,5.19:rc5,and avoid the version (,5.19),5.19:rc1,5.19:rc2,5.19:rc3,5.19:rc4,5.19:rc5; Upgrade debian debian_linux to a higher version than 10.0,11.0,and avoid the version 10.0,11.0