Vulnerability Description
A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | - |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-39180Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2326531Issue TrackingThird Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-24-589/Third Party Advisory
FAQ
What is CVE-2023-39180?
CVE-2023-39180 is a vulnerability with a CVSS score of 4.0 (MEDIUM). A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create...
How severe is CVE-2023-39180?
CVE-2023-39180 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-39180?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.