CVE-2023-4132

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2023-08-03 Modified: 2026-11-07 First seen: 2026-11-07 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs during device initialization when the siano device is plugged in. This flaw allows a local user to crash the system, causing a denial of service condition.

Weakness Classification (1)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.25%
Raw Score 0.002530
Percentile 17.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00253
2026-11-12
0.00253
2026-11-10
0.00253
2026-11-09
0.00253
2026-11-08
0.00253
2026-11-07
0.00253
2026-11-06
0.00253

Intelligence Sources

mitre ref →
nvd ref →