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CVE-2024-44967

drm/mgag200: Bind I2C lifetime to DRM device

HIGH
7.8
CVSS Score
Published: September 4, 2024 at 06:56 PM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

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

Linux Kernel· Linux
95%
6.0 ≤ v < 6.1.1056.0 ≤ v < 6.10.56.0 ≤ v < 6.116.0 ≤ v < 6.6.466.2 ≤ v < 6.6.466.7 ≤ v < 6.10.56.0b279df242972ae816a75cf1cc732af836f999100
Vendor states this is fixed in 55a6916db77102765b22855d3a0add4751988b7c (fixed)
Vendor states this is fixed in 81d34df843620e902dd04aa9205c875833d61c17 (fixed)
Vendor states this is fixed in 9d96b91e03cba9dfcb4ac370c93af4dbc47d5191 (fixed)
Vendor states this is fixed in eb1ae34e48a09b7a1179c579aed042b032e408f4 (fixed)
Vendor states this is fixed in 6.0 (unaffected)
Vendor states this is fixed in 6.1.105 (unaffected)
Vendor states this is fixed in 6.10.5 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.6.46 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/55a6916db77102765b22855d3a0add4751988b7c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/81d34df843620e902dd04aa9205c875833d61c17
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9d96b91e03cba9dfcb4ac370c93af4dbc47d5191
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/eb1ae34e48a09b7a1179c579aed042b032e408f4
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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