CVE-2023-32258
Session race condition remote code execution vulnerability
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-362 |
| Vendor | n/a |
| Product | kernel |
| Published | Jul 24, 2023 |
| Last Updated | Mar 5, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
n/a / kernel
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Fedora / Fedora
All versions affected References
access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-32258 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2219809 security.netapp.com: https://security.netapp.com/advisory/ntap-20230915-0011/ zerodayinitiative.com: https://www.zerodayinitiative.com/advisories/ZDI-CAN-20796/