A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

References
Link Providers
https://nvd.nist.gov/vuln/detail/CVE-2023-39180 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-39180 cve-icon
https://www.zerodayinitiative.com/advisories/ZDI-24-589/ cve-icon
History

Sat, 16 Nov 2024 03:00:00 +0000

Type Values Removed Values Added
Description A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.
Title kernel: ksmbd: Read Request Memory Leak Denial-of-Service Vulnerability
Weaknesses CWE-400
References
Metrics threat_severity

None

 cvssV3_1

{'score': 4.0, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L'}

threat_severity

Low
cve-icon MITRE

No data.

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

Severity : Low

Publid Date: 2024-06-10T00:00:00Z

Links: CVE-2023-39180 - Bugzilla