CVE-2023-4132
MEDIUMCVSS 5.5/10EPSS 0.26%
Last modified
CVE-2023-4132 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 6.2.16 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux For Real Time | 8.0 |
| Redhat | Enterprise Linux For Real Time For Nfv | 8.0 |
| Fedoraproject | Fedora | All versions |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Debian | Debian Linux | 12.0 |
References
- https://access.redhat.com/errata/RHSA-2023:6901Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7077Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-4132Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2221707Issue Tracking, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:6901Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7077Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-4132Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2221707Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-4132?
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.
How severe is CVE-2023-4132?
CVE-2023-4132 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2023-4132?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2023-4132?
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