Divide By Zero Affecting kernel-default-base package, versions <5.14.21-150500.55.36.1.150500.6.15.3


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-SLES155-KERNELDEFAULTBASE-6049004
  • published7 Nov 2023
  • disclosed6 Nov 2023

Introduced: 6 Nov 2023

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

How to fix?

Upgrade SLES:15.5 kernel-default-base to version 5.14.21-150500.55.36.1.150500.6.15.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-base package and not the kernel-default-base package as distributed by SLES. See How to fix? for SLES:15.5 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