drm/mgag200: Bind I2C lifetime to DRM device
In the Linux kernel, the following vulnerability has been resolved: drm/mgag200: Bind I2C lifetime to DRM device Managed cleanup with devm_add_action_or_reset() will release the I2C adapter when the underlying Linux device goes away. But the connector still refers to it, so this cleanup leaves behind a stale pointer in struct drm_connector.ddc. Bind the lifetime of the I2C adapter to the connector's lifetime by using DRM's managed release. When the DRM device goes away (after the Linux device) DRM will first clean up the connector and then clean up the I2C adapter.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 6.1.105, 6.10.5, 6.6.46
- CVEs
- CVE-2024-44967
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 13:32 UTC · Revision 1
Source evidence
drm/mgag200: Bind I2C lifetime to DRM device
core-osv · Original sourcePublished 4 Sept 2024, 18:56 UTC
In the Linux kernel, the following vulnerability has been resolved: drm/mgag200: Bind I2C lifetime to DRM device Managed cleanup with devm_add_action_or_reset() will release the I2C adapter when the underlying Linux device goes away. But the connector still refers to it, so this cleanup leaves behind a stale pointer in struct drm_connector.ddc. Bind the lifetime of the I2C adapter to the connector's lifetime by using DRM's managed release. When the DRM device goes away (after the Linux device) DRM will first clean up the connector and then clean up the I2C adapter.
osv:CVE-2024-44967
Kernel
Fixed versions: 6.1.105, 6.6.46, 6.10.5
Complete source record
{
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"title": "drm/mgag200: Bind I2C lifetime to DRM device",
"summary": "In the Linux kernel, the following vulnerability has been resolved: drm/mgag200: Bind I2C lifetime to DRM device Managed cleanup with devm_add_action_or_reset() will release the I2C adapter when the underlying Linux device goes away. But the connector still refers to it, so this cleanup leaves behind a stale pointer in struct drm_connector.ddc. Bind the lifetime of the I2C adapter to the connector's lifetime by using DRM's managed release. When the DRM device goes away (after the Linux device) DRM will first clean up the connector and then clean up the I2C adapter.",
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"modified": "2026-10-28T02:30:35.837919886Z",
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"source_id": "core-osv",
"document_id": 503164,
"published_at": "2024-09-04T18:56:44.814+00:00"
}