libvirt File Descriptor /dev/mapper/control release of resource

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in libvirt. This vulnerability affects unknown code of the file /dev/mapper/control of the component File Descriptor Handler. The manipulation results in release of resource. This vulnerability is cataloged as CVE-2020-14339. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in libvirt (Virtualization Software) (version unknown). Affected is an unknown function of the file /dev/mapper/control of the component File Descriptor Handler. The manipulation with an unknown input leads to a release of resource vulnerability. CWE is classifying the issue as CWE-772. The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 12/03/2020 as RHSA-2010-0271. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2020-14339. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 276357 (TencentOS Server 3: virt:rhel and virt-devel:rhel (TSSA-2022:0119)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (276357). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Release of resource
CWE: CWE-772 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 276357
Nessus Name: TencentOS Server 3: virt:rhel and virt-devel:rhel (TSSA-2022:0119)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/17/2020 🔍
12/03/2020 +169 days 🔍
12/03/2020 +0 days 🔍
11/23/2025 +1816 days 🔍

Sourcesinfo

Advisory: RHSA-2010-0271
Status: Not defined

CVE: CVE-2020-14339 (🔍)
GCVE (CVE): GCVE-0-2020-14339
GCVE (VulDB): GCVE-100-165564

Entryinfo

Created: 12/03/2020 21:47
Updated: 11/23/2025 09:38
Changes: 12/03/2020 21:47 (37), 12/12/2020 12:58 (2), 12/12/2020 13:02 (18), 11/23/2025 09:38 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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