SMB: Linux Kernel ksmbd smb2_session_logoff Use After Free

This signature detects attempts to exploit a known vulnerability against Linux. A successful attack can lead to arbitrary code execution.

References

CVE: CVE-2025-37899

Short Name
SMB:LINUX-KERNL-LOGOFF
Severity
Minor
Recommended
True
Recommended Action
Drop
Category
SMB
Keywords
After CVE-2025-37899 Free Kernel Linux Use ksmbd smb2_session_logoff
Release Date
10/16/2025
Supported Platforms

mx-19.3

vmx-19.3

vsrx-19.2

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vmx-19.4

mx-19.4

srxevo-25.4

vsrx-26.2

srx-26.2

srx-branch-26.2

vsrx3bsd-26.2

mx-12.3

srx-12.3

srx-branch-12.3

vsrx-12.3

Sigpack Version
3885
False Positive
Unknown

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