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DEBIAN-CVE-2025-21947

DEBIAN-CVE-2025-21947 PUBLISHED CVSS 4.699999809265137 MEDIUM

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.

Risk Scores

CVSS v3.1
4.699999809265137
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:14linux0, 0
Debian:13linux0, 0
Debian:12linux6.1.106-3, 6.1.112-1, 6.1.115-1
Debian:11linux-6.10, 6.1.106-3~deb11u1, 6.1.106-3~deb11u2

Timeline

  • Apr 1, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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