CVE-2025-38562
mediumpriority · track · 26EPSS 0.119 · 96 %ileDEEURUUSEPSS · scored 2026-10-26
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference error in generate_encryptionkey If client send two session setups with krb5 authenticate to ksmbd, null pointer dereference error in generate_encryptionkey could happen. sess->Preauth_HashValue is set to NULL if session is valid. So this patch skip generate encryption key if session is valid.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (56)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1869Linux Kernel: Mehrere SchwachstellenDeutsch2025-08-19csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen im Linux-Kernel ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder andere nicht spezifizierte Angriffe durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (26)
External citations — patches, advisories, analysis.
- https://git.kernel.org/stable/c/015ef163d65496ae3ba6192c96140a22743f0353cnnvd
- https://git.kernel.org/stable/c/2a30ed6428ce83afedca1a6c5c5c4247bcf12d0ecnnvd
- https://git.kernel.org/stable/c/96a82e19434a2522525baab59c33332658bc7653cnnvd
- https://git.kernel.org/stable/c/9b493ab6f35178afd8d619800df9071992f715decnnvd
- https://git.kernel.org/stable/c/9c2dbbc959e1fcc6f603a1a843e9cf743ba383bbcnnvd
- https://git.kernel.org/stable/c/d79c8bebaa622ee223128be7c66d8aaeeb634a57cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-38562cnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-multiple-vulnerabilities-dated-20-08-2025-48030cnnvd
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