Divide By Zero Affecting kernel-debug-modules-extra package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDEBUGMODULESEXTRA-5670355
  • published7 Jun 2023
  • disclosed18 Apr 2023

Introduced: 18 Apr 2023

CVE-2023-31085  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 kernel-debug-modules-extra.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules-extra package and not the kernel-debug-modules-extra package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1