8.1

CVE-2025-21947

ksmbd: fix type confusion via race condition when using ipc_msg_send_request

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.15 < 6.1.131
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.83
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.19
Linux ≫ Linux Kernel Version >= 6.13 < 6.13.7
Linux ≫ Linux Kernel Version6.14 Updaterc1
Linux ≫ Linux Kernel Version6.14 Updaterc2
Linux ≫ Linux Kernel Version6.14 Updaterc3
Linux ≫ Linux Kernel Version6.14 Updaterc4
Linux ≫ Linux Kernel Version6.14 Updaterc5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.35% 0.273
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.1 2.2 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://git.kernel.org/stable/c/1e8833c03a38e1d5d5df6484e3f670a2fd38fb76
Patch
https://git.kernel.org/stable/c/3cb2b2e41541fe6f9cc55ca22d4c0bd260498aea
Patch
https://git.kernel.org/stable/c/6321bbda4244b93802d61cfe0887883aae322f4b
Patch
https://git.kernel.org/stable/c/76861630b29e51373e73e7b00ad0d467b6941162
Patch
https://git.kernel.org/stable/c/e2ff19f0b7a30e03516e6eb73b948e27a55bc9d2
Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html