ACRN up to 2.4 virtio_net.c virtio_net_ping_rxq null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in ACRN up to 2.4. Affected by this vulnerability is the function virtio_net_ping_rxq of the file devicemodel/hw/pci/virtio/virtio_net.c. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2021-36147. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ACRN up to 2.4. It has been classified as problematic. Affected is the function virtio_net_ping_rxq of the file devicemodel/hw/pci/virtio/virtio_net.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was released 07/03/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-36147. There are known technical details, but no exploit is available.

Upgrading to version 2.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ACRN 2.5
Patch: github.com

Timelineinfo

07/02/2021 🔍
07/03/2021 +1 days 🔍
07/03/2021 +0 days 🔍
07/09/2021 +6 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-36147 (🔍)
GCVE (CVE): GCVE-0-2021-36147
GCVE (VulDB): GCVE-100-177936

Entryinfo

Created: 07/03/2021 08:39
Updated: 07/09/2021 15:23
Changes: 07/03/2021 08:39 (39), 07/09/2021 15:23 (5)
Complete: 🔍
Cache ID: 216::103

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