CVE-2023-32252

Description

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_LOGOFF 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.

CVSS Metrics

• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.14%• Percentile: 34%

Techniques & Countermeasures

• CWE-476•NULL Pointer Dereference

  The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

• linux•linux_kernel

  ≥ 5.15, < 5.15.145 | ≥ 5.16, < 6.1.29 | ≥ 6.2, < 6.2.16 | ≥ 6.3, < 6.3.2

• netapp•h300s_firmware

  na

• netapp•h410c_firmware

  na

• netapp•h410s_firmware

  na

• netapp•h500s_firmware

  na

• netapp•h700s_firmware

  na

References (4)

• https://access.redhat.com/security/cve/CVE-2023-32252
• https://bugzilla.redhat.com/show_bug.cgi?id=2219815
• https://security.netapp.com/advisory/ntap-20231124-0001/
• https://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/