xhyve dfbe09b vi_pci_write null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k1.17

Summaryinfo

A vulnerability classified as problematic was found in xhyve dfbe09b. This affects the function vi_pci_write. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2022-36659. No exploit is available.

Detailsinfo

A vulnerability was found in xhyve dfbe09b and classified as problematic. Affected by this issue is the function vi_pci_write. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

xhyve commit dfbe09b was discovered to contain a NULL pointer dereference via the component vi_pci_write(). This vulnerability allows attackers to cause a Denial of Service via unspecified vectors.

The weakness was published 09/07/2022. The advisory is shared for download at awxylitol.github.io. This vulnerability is handled as CVE-2022-36659 since 07/25/2022. There are known technical details, but no exploit is available.

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

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: 5.0
VulDB Meta Temp Score: 5.0

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

NVD Base Score: 6.5
NVD Vector: 🔍

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: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2022 🔍
09/07/2022 +44 days 🔍
09/07/2022 +0 days 🔍
06/17/2025 +1014 days 🔍

Sourcesinfo

Advisory: awxylitol.github.io
Status: Not defined

CVE: CVE-2022-36659 (🔍)
GCVE (CVE): GCVE-0-2022-36659
GCVE (VulDB): GCVE-100-208040

Entryinfo

Created: 09/07/2022 20:53
Updated: 06/17/2025 23:09
Changes: 09/07/2022 20:53 (37), 10/14/2022 08:51 (11), 06/17/2025 23:09 (15)
Complete: 🔍
Cache ID: 216::103

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