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CVE-2020-36312

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Date: April 6, 2021

An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvm_main.c has a kvm_io_bus_unregister_dev memory leak upon a kmalloc failure, aka CID-f65886606c2d.

Language: PHP

Severity Score

Related Resources (7)

https://access.redhat.com/security/cve/CVE-2020-36312
https://security-tracker.debian.org/tracker/CVE-2020-36312
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10
https://nvd.nist.gov/vuln/detail/CVE-2020-36312
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f65886606c2d3b562716de030706dfe1bea4ed5e
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-36312
https://www.mend.io/vulnerability-database/CVE-2020-36312

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

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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