Linux Kernel fs/smb/client/netmisc.c smbCalcSize out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel. This issue affects the function smbCalcSize of the file fs/smb/client/netmisc.c. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2023-6606. The attack is only possible with local access. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel (Operating System) (the affected version is unknown). This affects the function smbCalcSize of the file fs/smb/client/netmisc.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/08/2023. It is possible to read the advisory at bugzilla.kernel.org. This vulnerability is uniquely identified as CVE-2023-6606 since 12/08/2023. Technical details and a public exploit are known.

The exploit is shared for download at bugzilla.kernel.org. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 210589 (OracleVM 3.4 : kernel-uek (OVMSA-2024-0015)), 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 databases at Tenable (210589) and EUVD (EUVD-2023-58829). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 210589
Nessus Name: OracleVM 3.4 : kernel-uek (OVMSA-2024-0015)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/08/2023 🔍
12/08/2023 +0 days 🔍
12/08/2023 +0 days 🔍
08/02/2025 +603 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.kernel.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-6606 (🔍)
GCVE (CVE): GCVE-0-2023-6606
GCVE (VulDB): GCVE-100-247251
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/08/2023 10:39
Updated: 08/02/2025 18:42
Changes: 12/08/2023 10:39 (42), 12/31/2023 11:23 (1), 12/31/2023 11:31 (12), 06/26/2024 01:39 (26), 11/09/2024 04:44 (3), 08/02/2025 18:42 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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