Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-36779

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
28/02/2024
Last modified:
06/12/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails<br /> <br /> The PM reference count is not expected to be incremented on<br /> return in these stm32f7_i2c_xx serious functions.<br /> <br /> However, pm_runtime_get_sync will increment the PM reference<br /> count even failed. Forgetting to putting operation will result<br /> in a reference leak here.<br /> <br /> Replace it with pm_runtime_resume_and_get to keep usage<br /> counter balanced.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.6 (including) 5.10.37 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.11.21 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.12 (including) 5.12.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools