CVE-2023-32248

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 handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (6)

H410C

Affected Vendors

Linux Netapp

References (8)

Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-32248
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2219818
Third Party Advisory https://security.netapp.com/advisory/ntap-20230915-0006/
Patch https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479/
Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-32248
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2219818
Third Party Advisory https://security.netapp.com/advisory/ntap-20230915-0006/
Patch https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479/
39
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 0/34 · Minimal
Exposure 13/34 · Low