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CVE-2020-36777

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Date: February 27, 2024

In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: Fix memory leak in dvb_media_device_free() dvb_media_device_free() is leaking memory. Free `dvbdev->adapter->conn` before setting it to NULL, as documented in include/media/media-device.h: "The media_entity instance itself must be freed explicitly by the driver if required."

Language: C

Severity Score

Related Resources (10)

https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81b
https://nvd.nist.gov/vuln/detail/CVE-2020-36777
https://git.kernel.org/stable/c/06854b943e0571ccbd7ad0a529babed1a98ff275
https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bf
https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98
https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749
https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066
https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409f
https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82
https://www.mend.io/vulnerability-database/CVE-2020-36777

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Top Fix

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CVSS v3.1

Base Score:
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

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