Unknown severity · Source severity not reportedCVE-2024-49920

drm/amd/display: Check null pointers before multiple usesCVE-2024-49920

Answer in brief

CVE-2024-49920 records a Unknown severity vulnerability in drm/amd/display: Check null pointers before multiple uses. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 21, 2024Updated Oct 21, 2026Source checked Oct 21, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <4f51f6d23c5856f105110531f81d84e78e462005 \|\| >=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27 \|\| >=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <fdd5ecbbff751c3b9061d8ebb08e5c96119915b4	4f51f6d23c5856f105110531f81d84e78e462005, 26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27, fdd5ecbbff751c3b9061d8ebb08e5c96119915b4
Linux/Linuxgeneric	4.15	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 4f51f6d23c5856f105110531f81d84e78e462005 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 21, 2024
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 21, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 21, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointers before multiple uses [WHAT & HOW] Poniters, such as stream_enc and dc->bw_vbios, are null checked previously in the same function, so Coverity warns "implies that stream_enc and dc->bw_vbios might be null". They are used multiple times in the subsequent code and need to be checked. This fixes 10 FORWARD_NULL issues reported by Coverity.

Quoted source text, attributed separately from HOL analysis.