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CVE Record

CVE-2024-43906: drm/admgpu: fix dereferencing null pointer context

In the Linux kernel, the following vulnerability has been resolved: drm/admgpu: fix dereferencing null pointer context When user space sets an invalid ta type, the pointer context will be empty. So it need to check the pointer context before using it

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-43906 is a Linux kernel AMDGPU driver bug where invalid user-space input can leave a pointer empty and then be used. The public record does not provide a CVSS score or confirmed impact, but this class commonly raises availability concerns in affected kernels.

Executive priority

Treat this as a kernel maintenance item until stronger impact evidence appears. Prioritize AMDGPU-enabled Linux fleets, especially shared workstations, GPU compute systems, and environments with untrusted local users. No active exploitation is cited in the provided sources.

Technical view

The issue is a null pointer dereference in Linux DRM AMDGPU handling. When user space sets an invalid TA type, the context pointer can be null and must be checked before use. Kernel stable commits are cited as the resolution.

Likely exposure

Exposure is most relevant to Linux systems running affected kernel versions with the AMDGPU DRM driver reachable by local user space. Systems without AMDGPU hardware, driver loading, or relevant device access are less likely to be exposed, but source detail is limited.

Exploitation context

The CVE bundle marks KEV as false and provides no cited evidence of active exploitation or public weaponization. The available description indicates invalid user-space input is involved, but it does not document exploitability, privileges required, or real-world abuse.

Researcher notes

Evidence is sparse: no CVSS, CWE, detailed affected range, privilege model, or exploitability analysis is provided. The key technical signal is the upstream fix adding a context pointer check after invalid TA type input from user space.

Mitigation direction

  • Update affected Linux kernels to vendor-supported builds containing the cited stable fixes.
  • Check Linux distribution advisories for backported fixes and exact package versions.
  • Limit untrusted local access to GPU device interfaces where operationally feasible.
  • Prioritize systems using AMDGPU hardware or graphics workloads.
  • Monitor kernel and distribution security notices for revised severity or impact.

Validation and detection

  • Inventory Linux kernel versions across endpoints, workstations, and GPU-enabled servers.
  • Identify systems with AMDGPU hardware or the amdgpu driver loaded.
  • Confirm installed kernel packages include distro backports for CVE-2024-43906.
  • Review vendor advisories against the cited upstream stable commits.
  • Document systems without AMDGPU exposure as lower priority, not automatically unaffected.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2024-43906 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
3Timeline events
1ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux896b7addf2dc24908ad87f8ebeff83b2a83b8e04, 896b7addf2dc24908ad87f8ebeff83b2a83b8e04, 896b7addf2dc24908ad87f8ebeff83b2a83b8e04unaffected
LinuxLinux6.2, 0, 6.6.46, 6.10.5, 6.11affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.