CVE-2025-38562

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Source
https://cve.org/CVERecord?id=CVE-2025-38562
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-38562.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-38562
Downstream
Related
Published
2025-08-19T17:02:39.450Z
Modified
2026-03-09T23:50:59.121236Z
Summary
ksmbd: fix null pointer dereference error in generate_encryptionkey
Details

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 generateencryptionkey could happen. sess->PreauthHashValue is set to NULL if session is valid. So this patch skip generate encryption key if session is valid.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38562.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
96a82e19434a2522525baab59c33332658bc7653
Fixed
d79c8bebaa622ee223128be7c66d8aaeeb634a57
Fixed
2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e
Fixed
015ef163d65496ae3ba6192c96140a22743f0353
Fixed
9c2dbbc959e1fcc6f603a1a843e9cf743ba383bb
Fixed
9b493ab6f35178afd8d619800df9071992f715de

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-38562.json"