exploitDog

CVE-2025-38562

Опубликовано: 19 авг. 2025

Источник: nvd

CVSS3: 5.5

EPSS Низкий

Описание

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.

Ссылки

https://git.kernel.org/stable/c/015ef163d65496ae3ba6192c96140a22743f0353
Patch
https://git.kernel.org/stable/c/2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e
Patch
https://git.kernel.org/stable/c/96a82e19434a2522525baab59c33332658bc7653
Patch
https://git.kernel.org/stable/c/9b493ab6f35178afd8d619800df9071992f715de
Patch
https://git.kernel.org/stable/c/9c2dbbc959e1fcc6f603a1a843e9cf743ba383bb
Patch
https://git.kernel.org/stable/c/d79c8bebaa622ee223128be7c66d8aaeeb634a57
Patch
https://www.zerodayinitiative.com/advisories/ZDI-25-917/
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
Third Party Advisory
Mailing List

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 5.15 (включая) до 6.1.148 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 6.2 (включая) до 6.6.102 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 6.7 (включая) до 6.12.42 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 6.13 (включая) до 6.15.10 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 6.16 (включая) до 6.16.1 (исключая)

Конфигурация 2

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

EPSS

Процентиль: 2%

0.00014

Низкий

5.5 Medium

CVSS3

Дефекты

CWE-476

Связанные уязвимости

CVE-2025-38562

CVSS3: 5.5

ubuntu

6 месяцев назад

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.

CVE-2025-38562

CVSS3: 5.5

redhat

6 месяцев назад

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.

CVE-2025-38562

CVSS3: 5.5

msrc

5 месяцев назад

ksmbd: fix null pointer dereference error in generate_encryptionkey

CVE-2025-38562

CVSS3: 5.5

debian

6 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: k ...

GHSA-3qv5-2654-5g25

CVSS3: 5.5

github

6 месяцев назад

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.

EPSS

Процентиль: 2%

0.00014

Низкий

5.5 Medium

CVSS3

Дефекты

CWE-476