CVE-2023-31085

MEDIUM

Linux Kernel 6.2 - Divide By Zero in UBI Character Device IOCTL Handler

Title source: llm
STIX 2.1

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 (3)

Core 3

Scores

CVSS v3 5.5
EPSS 0.0038
EPSS Percentile 29.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-369
Status published
Products (1)
linux/linux_kernel 6.2
Published Apr 24, 2023
Tracked Since Feb 18, 2026