CVE-2021-47425
MEDIUMLinux Kernel 4.8-4.14.251 - Use-After-Free in I2C ACPI Reconfiguration
Title source: llmDescription
In the Linux kernel, the following vulnerability has been resolved: i2c: acpi: fix resource leak in reconfiguration device addition acpi_i2c_find_adapter_by_handle() calls bus_find_device() which takes a reference on the adapter which is never released which will result in a reference count leak and render the adapter unremovable. Make sure to put the adapter after creating the client in the same manner that we do for OF. [wsa: fixed title]
References (6)
Core 6
Core References
Scores
CVSS v3
5.5
EPSS
0.0023
EPSS Percentile
14.0%
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
CWE
CWE-401
Status
published
Products (16)
Linux/Linux
< 4.8
Linux/Linux
4.14.251 - 4.14.*
Linux/Linux
4.19.211 - 4.19.*
Linux/Linux
4.8
Linux/Linux
5.10.73 - 5.10.*
Linux/Linux
5.14.12 - 5.14.*
Linux/Linux
5.15
Linux/Linux
5.4.153 - 5.4.*
Linux/Linux
525e6fabeae286848592363bda13bc34b59bb5ac - 3d9d458a8aaafa47268ea4f1b4114a9f12927989
Linux/Linux
525e6fabeae286848592363bda13bc34b59bb5ac - 60bacf259e8c2eb2324f3e13275200baaee9494b
... and 6 more
Published
May 21, 2024
Tracked Since
Feb 18, 2026