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CVE Record

CVE-2023-53498: drm/amd/display: Fix potential null dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential null dereference The adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini() without checking. Add a NULL pointer check before calling dc_dmub_srv_destroy(). Found by Linux Verification Center (linuxtesting.org) with SVACE.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2023-53498 is a Linux kernel AMD display driver bug where cleanup code may dereference a missing pointer. The source does not provide CVSS, CWE, confirmed impact, or exploit evidence. Treat it as a kernel stability risk for systems using affected Linux kernels with AMD display support.

Executive priority

Handle through normal kernel maintenance unless affected systems are business-critical graphics workstations, kiosks, or display-dependent infrastructure. There is not enough evidence to justify emergency response from this bundle alone.

Technical view

The issue is in drm/amd/display. In amdgpu_dm_fini(), adev->dm.dc can be NULL, but code could call dc_dmub_srv_destroy() through that path without checking. The listed stable kernel commits add a NULL pointer check before that destroy call.

Likely exposure

Exposure is most relevant to Linux systems running affected kernel versions with the AMDGPU display driver path present. The bundle lists Linux versions including 5.6, 5.10.246, 5.15.111, 6.1.28, 6.2.15, 6.3.2, and 6.4, but exact range semantics are incomplete here.

Exploitation context

No active exploitation is indicated. The KEV flag is false, and the provided sources do not describe public exploit activity, weaponization, prerequisites, or a remote attack path.

Researcher notes

The vulnerability was found by Linux Verification Center with SVACE. The useful research angle is confirming affected kernel branches and whether the NULL state is reachable in realistic AMD display teardown paths. The provided record does not document exploitability or user-controlled triggering.

Mitigation direction

  • Review vendor kernel guidance for the affected distribution and hardware profile.
  • Prioritize kernel updates containing the referenced stable fixes.
  • Patch AMD GPU workstations or display-enabled Linux systems first.
  • Track distribution advisories if direct kernel.org commit mapping is unclear.

Validation and detection

  • Inventory Linux kernel versions on systems with AMDGPU display support.
  • Map installed kernels to vendor packages containing the referenced fixes.
  • Confirm security scanners recognize CVE-2023-53498 after updates.
  • Monitor kernel logs for AMDGPU display cleanup crashes before patching.
Prepared
Confidence
medium
Sources
8

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-2023-53498 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
0ADP providers
7Source links

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.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux9a71c7d31734f74549ad2bcd652c403c71e7c8d1, 9a71c7d31734f74549ad2bcd652c403c71e7c8d1, 9a71c7d31734f74549ad2bcd652c403c71e7c8d1, 9a71c7d31734f74549ad2bcd652c403c71e7c8d1, 9a71c7d31734f74549ad2bcd652c403c71e7c8d1, 9a71c7d31734f74549ad2bcd652c403c71e7c8d1unaffected
LinuxLinux5.6, 0, 5.10.246, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4affected
Weakness

CWE details

No CWE listed

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