CVE-2023-32248

Tree connection null pointer dereference denial-of-service vulnerability

Published Jul 24, 2023 CVSS 3.1 · 7.5 High EPSS 4.1% KEV · Not listed
Description
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-36505 A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Ubuntu USN Ubuntu USN USN-6283-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6300-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6311-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6332-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6347-1 Linux kernel (Azure CVM) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 2, 2024, 3:10 PM
Reserved
May 5, 2023, 10:00 AM
Status
Modified
Published
Jul 24, 2023, 4:15 PM
Modified
Jun 17, 2026, 5:58 AM
Severity
Important
Public date
May 4, 2023, 12:00 AM