Vulnerability 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 and SMB2_LOGOFF 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.145 |
| Netapp | Solidfire \& Hci Storage Node | - |
| Netapp | H300S | - |
| Netapp | H410S | - |
| Netapp | H500S | - |
| Netapp | H700S | - |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-32257Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219806Issue TrackingPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230915-0011/Third Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-20596/PatchThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2023-32257Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219806Issue TrackingPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230915-0011/Third Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-20596/PatchThird Party AdvisoryVDB Entry
FAQ
What is CVE-2023-32257?
CVE-2023-32257 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 and SMB2_LOGOFF commands. The issue results ...
How severe is CVE-2023-32257?
CVE-2023-32257 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-32257?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Solidfire \& Hci Storage Node, Netapp H300S, Netapp H410S, Netapp H500S.