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CVE-2020-36781

UNKNOWN
Published 2024-02-28T08:13:03.496Z
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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

3a5ee18d2a32bda6b9a1260136f6805848e3839d 3a5ee18d2a32bda6b9a1260136f6805848e3839d 3a5ee18d2a32bda6b9a1260136f6805848e3839d 3a5ee18d2a32bda6b9a1260136f6805848e3839d
Linux

Linux

Affected Versions:

5.7 0 5.10.37 5.11.21 5.12.4 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-jm6x-683j-pm4v

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-36781
WEB https://git.kernel.org/stable/c/1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77
WEB https://git.kernel.org/stable/c/3a0cdd336d92c429b51a79bf4f64b17eafa0325d
WEB https://git.kernel.org/stable/c/47ff617217ca6a13194fcb35c6c3a0c57c080693
WEB https://git.kernel.org/stable/c/ff406f6cd09c273337ab4854292e4aca48f8affd

Advisory provided by GitHub Security Advisory Database. Published: February 28, 2024, Modified: December 6, 2024

References

https://git.kernel.org/stable/c/3a0cdd336d92c429b51a79bf4f64b17eafa0325d
https://git.kernel.org/stable/c/1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77
https://git.kernel.org/stable/c/ff406f6cd09c273337ab4854292e4aca48f8affd
https://git.kernel.org/stable/c/47ff617217ca6a13194fcb35c6c3a0c57c080693
Published: 2024-02-28T08:13:03.496Z
Last Modified: 2025-05-04T06:58:49.390Z
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