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CVE Record

CVE-2023-52826: drm/panel/panel-tpo-tpg110: fix a possible null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: drm/panel/panel-tpo-tpg110: fix a possible null pointer dereference In tpg110_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel reliability flaw in a display panel driver. If a memory allocation-like duplication call fails, the driver can dereference a null pointer. The sources do not provide CVSS, confirmed impact, affected distributions, or evidence of active exploitation.

Executive priority

Treat as routine kernel maintenance unless your fleet uses this display panel driver. There is no supplied evidence of active exploitation or broad remote exposure, but kernel null dereferences can affect availability on exposed systems.

Technical view

In tpg110_get_modes() for drm/panel/panel-tpo-tpg110, drm_mode_duplicate() may return NULL. The vulnerable code assigns that value to mode and can dereference it without checking. Stable kernel commits add a NULL check to avoid the dereference.

Likely exposure

Exposure appears limited to Linux kernels containing this DRM panel driver path. The bundle does not identify specific distributions, appliances, configurations, or whether the driver is enabled by default in common builds.

Exploitation context

The CVE is not listed as KEV in the supplied data, and no cited source claims active exploitation. The described condition depends on drm_mode_duplicate() failing in this driver path. Public evidence is incomplete on practical exploitability or business impact.

Researcher notes

The useful evidence is the kernel commit message and CVE record. Missing items include CVSS, CWE, attack vector, required privileges, and distribution-level affected ranges. Avoid assuming remote exploitability from the available data.

Mitigation direction

  • Update to a kernel containing the referenced stable fixes.
  • Check Linux distribution or device vendor advisories for packaged kernel status.
  • Prioritize systems that use the TPO TPG110 DRM panel driver.
  • Track whether vendors backport the NULL-check fix without changing kernel version.

Validation and detection

  • Inventory kernels and map them to vendor fixed builds or stable commits.
  • Check whether the panel-tpo-tpg110 driver is built or loaded.
  • Review vendor changelogs for CVE-2023-52826 or the referenced commit IDs.
  • Confirm test coverage for display initialization after kernel updates.
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-2023-52826 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
2ADP providers
7Source 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
CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux324bb707d2a53256f3c04ba2e86048427e2a822c, 324bb707d2a53256f3c04ba2e86048427e2a822c, 324bb707d2a53256f3c04ba2e86048427e2a822c, 324bb707d2a53256f3c04ba2e86048427e2a822c, 324bb707d2a53256f3c04ba2e86048427e2a822c, 324bb707d2a53256f3c04ba2e86048427e2a822cunaffected
LinuxLinux5.1, 0, 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7affected
Weakness

CWE details

No CWE listed

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