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CVE-2020-36780

MEDIUM
Published 2024-02-28T08:13:02.875Z
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Expert Analysis

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CVSS Score

V3.1
4.7
/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.178
Higher than 17.8% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

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

i2c: sprd: fix reference leak when pm_runtime_get_sync fails

The PM reference count is not expected to be incremented on
return in sprd_i2c_master_xfer() and sprd_i2c_remove().

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

8b9ec0719834fe66146d138d62ed66cef025c864 8b9ec0719834fe66146d138d62ed66cef025c864 8b9ec0719834fe66146d138d62ed66cef025c864 8b9ec0719834fe66146d138d62ed66cef025c864 8b9ec0719834fe66146d138d62ed66cef025c864
Linux

Linux

Affected Versions:

4.14 0 5.4.119 5.10.37 5.11.21 5.12.4 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-4mvh-rcqj-42gx

Advisory Details

In the Linux kernel, the following vulnerability has been resolved: i2c: sprd: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in sprd_i2c_master_xfer() and sprd_i2c_remove(). 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 Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-36780
WEB https://git.kernel.org/stable/c/3a4f326463117cee3adcb72999ca34a9aaafda93
WEB https://git.kernel.org/stable/c/7e1764312440c5df9dfe6b436035a03673b0c1b9
WEB https://git.kernel.org/stable/c/9223505e938ba3db5907e058f4209770cff2f2a7
WEB https://git.kernel.org/stable/c/d3406ab52097328a3bc4cbe124bfd8f6d51fb86f
WEB https://git.kernel.org/stable/c/e547640cee7981fd751d2c9cde3a61bdb678b755

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

References

https://git.kernel.org/stable/c/7e1764312440c5df9dfe6b436035a03673b0c1b9
https://git.kernel.org/stable/c/e547640cee7981fd751d2c9cde3a61bdb678b755
https://git.kernel.org/stable/c/9223505e938ba3db5907e058f4209770cff2f2a7
https://git.kernel.org/stable/c/d3406ab52097328a3bc4cbe124bfd8f6d51fb86f
https://git.kernel.org/stable/c/3a4f326463117cee3adcb72999ca34a9aaafda93
Published: 2024-02-28T08:13:02.875Z
Last Modified: 2025-05-04T06:58:48.318Z
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