drm/mediatek: Fix ovl adaptor platform device leak
CVSS score
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EPSS probability
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Risk score
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Published
1 d ago
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%63
Short explanation
An issue in the Linux kernel drm/mediatek driver causes the OVL adaptor platform device to remain registered upon initialization failure or removal, resulting in a resource leak.
This vulnerability matters because it leads to resource leaks and potential system instability within the Linux kernel component management.
What should be done?
- Follow vendor advisories and updates
- Apply patches tracking OVL adaptor registration status
- Update driver removal and error paths
Chain of evidence and sources
Linux kernelinin drm/mediatek alt sisteminde OVL adaptör platform aygıtı sızıntısı tespit edilmiştir.
Sorun, mtk_drm_probe() fonksiyonundaki hata yollarının veya kaldırma süreçlerinin OVL adaptör aygıtının kaydını silmemesinden kaynaklanmaktadır.
Show the technical text from the sources
In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix ovl adaptor platform device leak mtk_drm_probe() creates an OVL adaptor platform device with platform_device_register_data() when the display pipeline requires the OVL adaptor. If a later initialization step fails, the probe error path releases the DRM resources without unregistering the already registered OVL adaptor device. The normal remove path likewise leaves the device registered after the DRM driver is unbound. Keep track of whether the OVL adaptor was successfully registered and unregister it on probe failure. Also recover the platform device from the stored DDP component device and unregister it during normal removal. The issue was identified by a static analysis tool I developed and confirmed by manual review.
Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.
IMPACT: Affected Products and Software
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
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| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
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Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-98782 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-98782 weaknesses.
Official Sources and Advisories
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