CVE-2023-28328 | BDVDB-2026-200628 Detail

Linux

Description#

A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially cause a denial of service.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: local.

Weaknesses#

CWE-476 NULL Pointer Dereference

References#

Exploit#

No public exploit known

History#

Version 12023-04-19Record published in the CVE List.
Version 22025-03-19Most recent update recorded in the CVE List.

Published

Published: 2023-04-19
Last modified: 2025-03-19

Vendor information

Vendor: Not stated
Product: Linux

Score

5.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 12.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= Linux Kernel prior to kernel 6.2 RC1 and < 6.2
Fixed
6.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.5 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).