Vulnerability CVE-2023-31085


Published: 2023-04-24

Description:
An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in do_div(sz,mtd->erasesize), used indirectly by ctrl_cdev_ioctl, when mtd->erasesize is 0.

 References:
https://lore.kernel.org/all/687864524.118195.1681799447034.JavaMail.zimbra@nod.at/

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