FreeBSD virtio_vq_recordon toctou

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in FreeBSD. The impacted element is the function virtio_vq_recordon. The manipulation results in toctou. This vulnerability is identified as CVE-2024-51563. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in FreeBSD (unknown version). Affected is the function virtio_vq_recordon. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. The impact remains unknown. CVE summarizes:

The virtio_vq_recordon function is subject to a time-of-check to time-of-use (TOCTOU) race condition.

The advisory is shared for download at security.freebsd.org. This vulnerability is traded as CVE-2024-51563 since 10/29/2024. The exploitability is told to be difficult. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 210917 (FreeBSD : FreeBSD -- Multiple issues in the bhyve hypervisor (eb5c615d-a173-11ef-9a62-002590c1f29c)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (210917). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (freebsd): 🔍

CVSSv2info

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
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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Nessus ID: 210917
Nessus Name: FreeBSD : FreeBSD -- Multiple issues in the bhyve hypervisor (eb5c615d-a173-11ef-9a62-002590c1f29c)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/29/2024 🔍
11/12/2024 +14 days 🔍
11/12/2024 +0 days 🔍
11/27/2024 +15 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: security.freebsd.org
Status: Confirmed

CVE: CVE-2024-51563 (🔍)
GCVE (CVE): GCVE-0-2024-51563
GCVE (VulDB): GCVE-100-284016

Entryinfo

Created: 11/12/2024 16:44
Updated: 11/27/2024 08:14
Changes: 11/12/2024 16:44 (52), 11/14/2024 05:15 (2), 11/27/2024 08:14 (12)
Complete: 🔍
Cache ID: 216::103

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

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