CVE-2022-49128

MEDIUM

Linux Kernel - Refcount Leak in DRM Bridge Runtime PM

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Add missing pm_runtime_put_sync pm_runtime_get_sync() will increase the rumtime PM counter even when it returns an error. Thus a pairing decrement is needed to prevent refcount leak. Fix this by replacing this API with pm_runtime_resume_and_get(), which will not change the runtime PM counter on error. Besides, a matching decrement is needed on the error handling path to keep the counter balanced.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 16.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (14)
linux/Kernel 5.16.0 - 5.16.20linux
linux/Kernel 5.17.0 - 5.17.3linux
linux/Kernel 5.8.0 - 5.15.34linux
Linux/Linux < 5.8
Linux/Linux 44cfc6233447cb2cf47aeb99457de35826a363f6 - 46f47807738441e354873546dde0b000106c068a
Linux/Linux 44cfc6233447cb2cf47aeb99457de35826a363f6 - 792533e54cd6e89191798ccd1abd590c62b9077e
Linux/Linux 44cfc6233447cb2cf47aeb99457de35826a363f6 - 9df80dc738926a2ea4bd1ce5993c3d0f4b0e855c
Linux/Linux 44cfc6233447cb2cf47aeb99457de35826a363f6 - ff13c90d7f7ab606b37be6d15140d19013d6736c
Linux/Linux 5.15.34 - 5.15.*
Linux/Linux 5.16.20 - 5.16.*
... and 4 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026