{"cve":"CVE-2023-32257","nvd":{"published":"2023-07-24T16:15:11.680","modified":"2026-06-17T05:58:25.650","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-667","CWE-362"],"references":["https://access.redhat.com/security/cve/CVE-2023-32257","https://bugzilla.redhat.com/show_bug.cgi?id=2219806","https://security.netapp.com/advisory/ntap-20230915-0011/","https://www.zerodayinitiative.com/advisories/ZDI-CAN-20596/","https://access.redhat.com/security/cve/CVE-2023-32257"],"products":["linux:linux_kernel","netapp:h300s","netapp:h410s","netapp:h500s","netapp:h700s","netapp:solidfire_\\&_hci_storage_node"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-32257","score":0.02374,"percentile":0.83854,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}