Home/CVE/A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs during device in
CVE

CVE-2023-4132

A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs during device in

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.

MEDIUM · CVSS 5.5 EPSS 0.00017
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
CWE-416Use After Free
CWE-416Use After Free
▤

Affected Products & Versions

6
linux kernel<= 6.2.16
redhat enterprise linuxall versions
redhat enterprise linux for real timeall versions
redhat enterprise linux for real time for nfvall versions
fedoraproject fedoraall versions
debian linuxall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Aug 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

29
suse-csafSUSE-SU-2026:0369-1
suse-csafSUSE-SU-2026:0350-1
suse-csafSUSE-SU-2026:0316-1
rhsaRHSA-2023:7077Moderate
rhsaRHSA-2024:0724Low
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2023-4132Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2221707Issue 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
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