CVE-2023-32258

moderate-risk
Published 2023-07-24

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.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (5)

Affected Vendors

Linux Netapp

References (8)

Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-32258
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2219809
Third Party Advisory https://security.netapp.com/advisory/ntap-20230915-0011/
Patch https://www.zerodayinitiative.com/advisories/ZDI-CAN-20796/
Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-32258
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2219809
Third Party Advisory https://security.netapp.com/advisory/ntap-20230915-0011/
Patch https://www.zerodayinitiative.com/advisories/ZDI-CAN-20796/
36
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 12/34 · Low