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CVE-2023-39180

Nov. 18, 2024, 5:11 p.m.

CVSS Score

4.0 / 10

Product(s) Impacted

Linux Kernel

  • UNKNOWN

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.

Weaknesses

CWE-125
Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

CWE ID: 125
CWE-400
Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CWE ID: 400

Date

Published: Nov. 18, 2024, 10:15 a.m.

Last Modified: Nov. 18, 2024, 5:11 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

patrick@puiterwijk.org

CVSS Data

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

Base Score
4.0
Exploitability Score
2.2
Impact Score
1.4
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

References

https://access.redhat.com/ patrick@puiterwijk.org

https://bugzilla.redhat.com/ patrick@puiterwijk.org