CVE-2024-44967high

CVE-2024-44967: high-severity vulnerability in Linux

drm/mgag200: Bind I2C lifetime to DRM device

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/55a6916db77102765b22855d3a0add4751988b7chttps://git.kernel.org/stable/c/81d34df843620e902dd04aa9205c875833d61c17https://git.kernel.org/stable/c/9d96b91e03cba9dfcb4ac370c93af4dbc47d5191https://git.kernel.org/stable/c/eb1ae34e48a09b7a1179c579aed042b032e408f4https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html