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Vulnerability record · CVE-2023-4132 · published 3 August 2023

CVE-2023-4132: Linux kernel use after free vulnerability

Linux · Linux Kernel

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.

5.5 CVSS 3.1 Medium EPSS 0.25% · top 84.5% CWE-416 · Use after free
5.5CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

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.

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2023:6901 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7077 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0575
https://access.redhat.com/errata/RHSA-2024:0724
https://access.redhat.com/security/cve/CVE-2023-4132 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2221707 Issue TrackingThird Party Advisory
https://access.redhat.com/errata/RHSA-2023:6901 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7077 Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0575
https://access.redhat.com/errata/RHSA-2024:0724
https://access.redhat.com/security/cve/CVE-2023-4132 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2221707 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://security.netapp.com/advisory/ntap-20231020-0005/
https://www.debian.org/security/2023/dsa-5480
https://www.debian.org/security/2023/dsa-5492

Track CVE-2023-4132 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Source: NIST National Vulnerability Database (record CVE-2023-4132), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.