CVE-2026-31618: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO

Published Apr 24, 2026
·
Updated

fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO

Affected Software

12 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=2.6.12.1<6.6.136
Linux Linux kernel>=6.7<6.12.83
Linux Linux kernel>=6.13<6.18.24
Linux Linux kernel>=6.19<6.19.14
Linux Linux kernel>=7.0<7.0.1
Linux Linux kernel=2.6.12
Linux Linux kernel=2.6.12-rc2
Linux Linux kernel=2.6.12-rc3
Linux Linux kernel=2.6.12-rc4
Linux Linux kernel=2.6.12-rc5
Microsoft azl3 kernel 6.6.134.1-2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Operational

    Install an updated Linux kernel that includes the fix for 'fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO' (apply the kernel update/patch that contains this fix).

Event History

Apr 24, 2026
CVE Published
via MITRE·02:42 PM
Data Sourced
via MITRE·02:42 PM
Description
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 26, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2026-31618?

The severity of CVE-2026-31618 is classified as medium with a CVSS score of 5.5.

2

How do I fix CVE-2026-31618?

To fix CVE-2026-31618, ensure that you update to the latest version of the Linux kernel that includes the patch for this vulnerability.

3

What kind of vulnerability is CVE-2026-31618?

CVE-2026-31618 is a divide by zero vulnerability that can cause a denial of service.

4

Which software is affected by CVE-2026-31618?

CVE-2026-31618 affects the Linux kernel and Microsoft azl3 kernel 6.6.134.1-2.

5

What is the potential impact of CVE-2026-31618?

The potential impact of CVE-2026-31618 includes a denial of service condition caused by a divide by zero error.

Contact

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