ACRN up to 2.4 hw/pci/virtio/virtio.c vq_endchains null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in ACRN up to 2.4. This affects the function vq_endchains of the file hw/pci/virtio/virtio.c. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2021-36143. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ACRN up to 2.4. Affected by this vulnerability is the function vq_endchains of the file hw/pci/virtio/virtio.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The weakness was shared 07/03/2021 as 154fe59531c12b82e26d1b24b5531f5066d224f5. The advisory is shared at github.com. This vulnerability is known as CVE-2021-36143. Technical details are known, 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

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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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: 154fe59531c12b82e26d1b24b5531f5066d224f5
Status: Confirmed

CVE: CVE-2021-36143 (🔍)
GCVE (CVE): GCVE-0-2021-36143
GCVE (VulDB): GCVE-100-177949

Entryinfo

Created: 07/03/2021 10:57
Updated: 07/09/2021 17:53
Changes: 07/03/2021 10:57 (40), 07/09/2021 17:53 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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