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LIN1021-7457 : Security Advisory - linux - CVE-2020-36781

Created: Feb 28, 2024    Updated: Mar 21, 2024
Resolved Date: Mar 21, 2024
Found In Version: 10.21.20.1
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

In the Linux kernel, the following vulnerability has been resolved:

i2c: imx: fix reference leak when pm_runtime_get_sync fails

In i2c_imx_xfer() and i2c_imx_remove(), the pm reference count
is not expected to be incremented on return.

However, pm_runtime_get_sync will increment 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.

CREATE(Triage):(User=admin) CVE-2020-36781 (https://nvd.nist.gov/vuln/detail/CVE-2020-36781)
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