Description
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.
Published: 2023-07-17
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Ubuntu USN Ubuntu USN USN-6412-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6466-1 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6725-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6725-2 Linux kernel (AWS) vulnerabilities
History

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Subscriptions

Linux Linux Kernel
Netapp H300s H410s H500s H700s Solidfire \& Hci Management Node
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-02T17:39:13.538Z

Reserved: 2023-07-17T00:00:00.000Z

Link: CVE-2023-38431

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-07-18T00:15:09.707

Modified: 2024-11-21T08:13:33.550

Link: CVE-2023-38431

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses