Vulnerability Description
A flaw was found within the parsing of SMB2 requests that have a transform header in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | - |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-39176Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2326503Issue TrackingThird Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-24-586/Third Party Advisory
FAQ
What is CVE-2023-39176?
CVE-2023-39176 is a vulnerability with a CVSS score of 5.8 (MEDIUM). A flaw was found within the parsing of SMB2 requests that have a transform header in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can resu...
How severe is CVE-2023-39176?
CVE-2023-39176 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-39176?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.