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CVE-2023-4458

Nov. 15, 2024, 1:58 p.m.

CVSS Score

4.0 / 10

Product(s) Impacted

Linux Kernel

Description

A flaw was found within the parsing of extended attributes in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.

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

Date

Published: Nov. 14, 2024, 12:15 p.m.

Last Modified: Nov. 15, 2024, 1:58 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

LOW

Integrity Impact

NONE

Availability Impact

NONE

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:L/I:N/A:N

References

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

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