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CVE-2026-98782

drm/mediatek: Fix ovl adaptor platform device leak

N/A
Published: October 18, 2026 at 03:48 PM UTC
Updated: October 21, 2026 at 01:21 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
0d9eee9118b77e51eeafc5bf4d008fac97035d566.4
Vendor states this is fixed in 6.12.113 (unaffected)
Vendor states this is fixed in 6.18.56 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.2.10 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Source: cverecord
https://git.kernel.org/stable/c/3d85bd738aba61df14dfaf8fe638e2172d8427bf
Source: cverecord
https://git.kernel.org/stable/c/629458b7e49559593823e351535294db17331be7
Source: cverecord
https://git.kernel.org/stable/c/8e3a350075b556f2fed4517705935bfee4529fb6
Source: cverecord
https://git.kernel.org/stable/c/048739be3e9cacae5301b68245668002fe6f0ce5
Source: cverecord
https://git.kernel.org/stable/c/03fb1c657028cb9f189b400f3adb46e3ba676aa5

Quick Info

StatusRECEIVED

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