Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
In the Linux kernel before 5.2.3, drivers/block/floppy.c allows a denial of service by setup_format_params division-by-zero. Two consecutive ioctls can trigger the bug: the first one should set the drive geometry with .sect and .rate values that make F_SECT_PER_TRACK be zero. Next, the floppy format operation should be called. It can be triggered by an unprivileged local user even when a floppy disk has not been inserted. NOTE: QEMU creates the floppy device by default.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 数字错误漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.2.3之前版本中的drivers/block/floppy.c文件的‘setup_format_params’函数存在数字错误漏洞。该漏洞源于网络系统或产品未正确计算或转换所产生的数字。攻击者可利用该漏洞导致整数溢出或符号错误等。
CVSS Information
N/A
Vulnerability Type
N/A