What is CVE-2023-31085?

CVE-2023-31085 is a medium-severity vulnerability in Linux Kernel, classified under Divide By Zero. CVSS score: 5.5/10. Published 2023-04-24.

How severe is CVE-2023-31085?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux Kernel

CVE-2023-31085

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.

EPSS: 0.004 (30.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux Linux_kernel — versions 6.2
N/a — versions n/a

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2023-31085?: CVE-2023-31085 is a medium-severity vulnerability in Linux Kernel, classified under Divide By Zero. CVSS score: 5.5/10. Published 2023-04-24.
How severe is CVE-2023-31085?: Medium severity. CVSS v3 base score is 5.5 out of 10.