Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix type confusion via race condition when using ipc_msg_send_request req->handle is allocated using ksmbd_acquire_id(&ipc_ida), based on ida_alloc. req->handle from ksmbd_ipc_login_request and FSCTL_PIPE_TRANSCEIVE ioctl can be same and it could lead to type confusion between messages, resulting in access to unexpected parts of memory after an incorrect delivery. ksmbd check type of ipc response but missing add continue to check next ipc reponse.

INFO

Published Date :

2025-04-01T15:41:09.457Z

Last Modified :

2026-04-02T08:39:27.794Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-21947 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-21947.

URL Resource
https://git.kernel.org/stable/c/1e8833c03a38e1d5d5df6484e3f670a2fd38fb76 cve-icon cve-icon
https://git.kernel.org/stable/c/3cb2b2e41541fe6f9cc55ca22d4c0bd260498aea cve-icon cve-icon
https://git.kernel.org/stable/c/6321bbda4244b93802d61cfe0887883aae322f4b cve-icon cve-icon
https://git.kernel.org/stable/c/76861630b29e51373e73e7b00ad0d467b6941162 cve-icon cve-icon
https://git.kernel.org/stable/c/e2ff19f0b7a30e03516e6eb73b948e27a55bc9d2 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html cve-icon
https://lore.kernel.org/linux-cve-announce/2025040136-CVE-2025-21947-fcc5@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-21947 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-21947 cve-icon
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