CVE-2022-50183

drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init

MEDIUM
5.5
CVSS Score
Published: June 18, 2025 at 11:03 AM UTC
Updated: June 17, 2026 at 05:22 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init of_graph_get_remote_node() returns remote device nodepointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Affected

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

5.17 ≤ v < 5.18.185.17 ≤ v < 5.19.25.17 ≤ v < 6.05.19 ≤ v < 5.19.2318ba02cd8a8bacd20a4fe29edff3c0931d17ded5.17
Vendor states this is fixed in 51c36411ae27bf5f06c43462d2de2d4947ed33ea (fixed)
Vendor states this is fixed in 7d255ddbbf679aa47e041cbf68520fd985ed2279 (fixed)
Vendor states this is fixed in bb5ac08d5bd8626c318bd80a5063263daab8fdb6 (fixed)
Vendor states this is fixed in 5.17 (unaffected)
Vendor states this is fixed in 5.18.18 (unaffected)
Vendor states this is fixed in 5.19.2 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/51c36411ae27bf5f06c43462d2de2d4947ed33ea
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7d255ddbbf679aa47e041cbf68520fd985ed2279
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bb5ac08d5bd8626c318bd80a5063263daab8fdb6

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-Other

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