CVE-2023-32252
HIGHCVSS 7.5/10EPSS 4.06%
Last modified
CVE-2023-32252 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. EPSS estimates a 4.06% chance of exploitation in the next 30 days.
Description
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.145 |
| Linux | Linux Kernel | >= 5.16, < 6.1.29 |
| Linux | Linux Kernel | >= 6.2, < 6.2.16 |
| Linux | Linux Kernel | >= 6.3, < 6.3.2 |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H410s Firmware | All versions |
| Netapp | H410c Firmware | All versions |
References
- https://access.redhat.com/security/cve/CVE-2023-32252Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=2219815Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20231124-0001/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/Patch, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/CVE-2023-32252Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=2219815Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20231124-0001/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/Patch, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-32252?
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
How severe is CVE-2023-32252?
CVE-2023-32252 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.06% probability of exploitation in the next 30 days.
How do I fix CVE-2023-32252?
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.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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