CVE-2023-32250
HIGHCVSS 8.1/10EPSS 2.59%
Last modified
CVE-2023-32250 is a high-severity vulnerability rated 8.1/10 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 processing of SMB2_SESSION_SETUP commands. EPSS estimates a 2.59% 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 processing of SMB2_SESSION_SETUP commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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 | Hci | All versions |
| Netapp | Hci Storage Nodes | All versions |
| Netapp | H300s | All versions |
| Netapp | H410s | All versions |
| Netapp | H500s | All versions |
| Netapp | H700s | All versions |
References
- https://access.redhat.com/security/cve/CVE-2023-32250Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2208849Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230824-0004/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-698/Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/CVE-2023-32250Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2208849Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230824-0004/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-698/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-32250?
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
How severe is CVE-2023-32250?
CVE-2023-32250 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.59% probability of exploitation in the next 30 days.
How do I fix CVE-2023-32250?
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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