CVE-2020-36783
kernel: i2c: img-scb: fix reference leak when pm_runtime_get_sync fails
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 28, 2024
Updated · November 21, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
i2c: img-scb: fix reference leak when pm_runtime_get_sync fails
The PM reference count is not expected to be incremented on return in functions img_i2c_xfer and img_i2c_init.
However, pm_runtime_get_sync will increment the PM reference count even failed. Forgetting to putting operation will result in a reference leak here.
Replace it with pm_runtime_resume_and_get to keep usage counter balanced.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CWE-402 · Transmission of Private Resources into a New Sphere ('Resource Leak')