VULNERABILITY INTELLIGENCE
CVE-2023-32258
CVSS score8.1 HIGH
EPSS probability2.50%
CISA KEVNot currently listed
Published2023-07-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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_LOGOFF and SMB2_CLOSE 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.
Weakness classification
- secalert@redhat.com: CWE-362
- nvd@nist.gov: CWE-667
Primary references
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Issue Tracking, Patch, Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Patch, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory, VDB Entry