SMB: Linux Kernel ksmbd SMB2_LOGOFF Handling NULL Pointer Dereference

This signature detects attempts to exploit a known vulnerability against Linux Kerne. A successful attack can result in a denial-of-service condition.

Extended 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.

Affected Products

Linux linux_kernel

Short Name
SMB:FILE:LINUX-KERNEL-KSMBD
Severity
Major
Recommended
True
Recommended Action
None
Category
SMB
Keywords
CVE-2023-32252 Dereference Handling Kernel Linux NULL Pointer SMB2_LOGOFF ksmbd
Release Date
01/04/2024
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3666
False Positive
Unknown
Vendors

Linux

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