What is CVE-2020-36786?

CVE-2020-36786 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401), affecting Linux kernel versions from 5.10 onward and patched in 5.10.37, 5.11.21, 5.12.4 and others. CVE-2020-36786 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-36786?

CVE-2020-36786 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2020-36786?

Yes, CVE-2020-36786 has been patched. Fixed versions include 5.10.37, 5.11.21, 5.12.4 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2020-36786 actively exploited?

CVE-2020-36786 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2020-36786

Medium

In the Linux kernel, the following vulnerability has been resolved: media: [next] staging: media: atomisp: fix memory leak of object flash In the case where the call to lm3554_platform_data_func returns an error there is a memory leak on the error return path of object flash. Fix this by adding an error return path that will free flash and rename labels fail2 to fail3 and fail1 to fail2.

Package Linux Kernel

Published 2024-02-28

Last modified 2024-12-06

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-401

CVE-2020-36786 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.10 and later are affected. Fixed in 5.10.37, 5.11.21, 5.12.4, 5.13 and their respective stable series.

Affected from

≥ 5.10

Fixed in

✓ 5.10.37 5.10.x ✓ 5.11.21 5.11.x ✓ 5.12.4 5.12.x ✓ 5.13

References

4 total

Kernel Git
https://git.kernel.org/stable/c/27d2eab69f7da8e94e4751ac5c6d22d809275484

Patch
Kernel Git
https://git.kernel.org/stable/c/4f0f37d03cde8f4341df8454f9b40a67fda94a33

Patch
Kernel Git
https://git.kernel.org/stable/c/6045b01dd0e3cd3759eafe7f290ed04c957500b1

Patch
Kernel Git
https://git.kernel.org/stable/c/cc4cc2fb5aaf9adb83c02211eb13b16cfcb7ba64

Patch

Details

CVE ID CVE-2020-36786

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-02-28

Modified 2024-12-06

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2020-36786?

CVE-2020-36786 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 5.10 onward and has been patched in 5.10.37, 5.11.21, 5.12.4 and others. CVE-2020-36786 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-36786?

CVE-2020-36786 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2020-36786?

Yes. CVE-2020-36786 has been patched. Fixed versions include 5.10.37, 5.11.21, 5.12.4 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2020-36786 actively exploited?

No. CVE-2020-36786 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.