PT-2025-33761 · Linux+5 · Linux Kernel+5

Nicholas Zubrisky

+1

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Published

2025-07-21

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Updated

2026-04-20

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CVE-2025-38562

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions: Linux kernel (affected versions not specified)
Description: A null pointer dereference error in the generate encryptionkey function within the ksmbd module could occur if a client sends two session setups with Kerberos v5 authentication to ksmbd. The Preauth HashValue is set to NULL if the session is valid, leading to the error.
Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-66458
BDU:2025-10730
CVE-2025-38562
DLA-4328-1
ECHO-BD04-1D6E-201F
MGASA-2025-0234
MGASA-2025-0235
USN-7879-1
USN-7879-2
USN-7879-3
USN-7879-4
USN-7880-1
USN-7934-1
USN-8028-1
USN-8028-2
USN-8028-3
USN-8028-4
USN-8028-5
USN-8028-6
USN-8028-7
USN-8028-8
USN-8031-1
USN-8031-2
USN-8031-3
USN-8052-1
USN-8052-2
USN-8074-1
USN-8074-2
USN-8126-1
ZDI-25-917

Affected Products

Astra Linux
Debian
Linuxmint
Linux Kernel
Red Os
Ubuntu