Linux Kernel Netfilter Xtables net/netfilter/xt_sctp.c sctp_mt_check out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel. This issue affects the function sctp_mt_check of the file net/netfilter/xt_sctp.c of the component Netfilter Xtables. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2023-39193. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (version now known). It has been classified as problematic. This affects the function sctp_mt_check of the file net/netfilter/xt_sctp.c of the component Netfilter Xtables. 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.

The weakness was released 09/30/2023 as ZDI-23-1491. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-39193 since 07/25/2023. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-42928). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 6.0
NVD Vector: 🔍

CNA Base Score: 6.1
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: 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lore.kernel.org

Timelineinfo

07/25/2023 🔍
09/30/2023 +67 days 🔍
09/30/2023 +0 days 🔍
07/24/2025 +662 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ZDI-23-1491
Status: Confirmed

CVE: CVE-2023-39193 (🔍)
GCVE (CVE): GCVE-0-2023-39193
GCVE (VulDB): GCVE-100-240981
EUVD: 🔍

Entryinfo

Created: 09/30/2023 14:54
Updated: 07/24/2025 01:02
Changes: 09/30/2023 14:54 (42), 10/22/2023 20:49 (1), 10/22/2023 20:56 (21), 09/14/2024 00:15 (21), 07/24/2025 01:02 (3)
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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