🛡️ UBUNTU-CVE-2025-21947
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-04-01
Updated 2026-06-15
Modified 2026-06-08
Fix URL N/A

Affected Packages

Software From version Fixed in
linux 6.8.0-84.84
linux-allwinner-5.19
linux-aws 6.8.0-1039.41
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15
linux-aws-5.19
linux-aws-5.3
linux-aws-5.4
linux-aws-5.8
linux-aws-6.2
linux-aws-6.5
linux-aws-6.8 6.8.0-1039.41~22.04.1
linux-aws-fips 6.8.0-1039.41+fips1
linux-aws-hwe
linux-azure 6.8.0-1038.44
linux-azure-4.15
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15
linux-azure-5.19
linux-azure-5.3
linux-azure-5.4
linux-azure-5.8
linux-azure-6.11 6.11.0-1018.18~24.04.1
linux-azure-6.2
linux-azure-6.5
linux-azure-6.8 6.8.0-1036.42~22.04.1
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.15
linux-azure-fde-5.19
linux-azure-fde-6.2
linux-azure-fips 6.8.0-1040.46+fips1
linux-azure-nvidia 6.8.0-1025.27
linux-bluefield
linux-fips 6.8.0-84.84+fips1
linux-gcp 6.8.0-1040.42
linux-gcp-4.15
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15
linux-gcp-5.19
linux-gcp-5.3
linux-gcp-5.4
linux-gcp-5.8
linux-gcp-6.11 6.11.0-1016.16~24.04.1
linux-gcp-6.2
linux-gcp-6.5
linux-gcp-6.8 6.8.0-1040.42~22.04.1
linux-gcp-fips 6.8.0-1040.42+fips1
linux-gke 6.8.0-1036.40
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop 6.8.0-1023.25
linux-gkeop-5.15
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15
linux-hwe-5.19
linux-hwe-5.4
linux-hwe-5.8
linux-hwe-6.11 6.11.0-28.28~24.04.1
linux-hwe-6.2
linux-hwe-6.5
linux-hwe-6.8 6.8.0-85.85~22.04.1
linux-hwe-edge
linux-ibm 6.8.0-1037.37
linux-ibm-5.15
linux-ibm-5.4
linux-ibm-6.8 6.8.0-1037.37~22.04.1
linux-intel
linux-intel-5.13
linux-intel-iot-realtime
linux-intel-iotg
linux-intel-iotg-5.15
linux-iot
linux-kvm
linux-lowlatency 6.8.0-84.84.1
linux-lowlatency-hwe-5.15
linux-lowlatency-hwe-5.19
linux-lowlatency-hwe-6.11 6.11.0-1015.16~24.04.2
linux-lowlatency-hwe-6.2
linux-lowlatency-hwe-6.5
linux-lowlatency-hwe-6.8 6.8.0-84.84.1~22.04.1
linux-lts-xenial
linux-nvidia 6.8.0-1039.42
linux-nvidia-6.11 6.11.0-1012.12
linux-nvidia-6.2
linux-nvidia-6.5
linux-nvidia-6.8 6.8.0-1039.42~22.04.1
linux-nvidia-lowlatency 6.8.0-1039.42.1
linux-nvidia-tegra 6.8.0-1010.10
linux-nvidia-tegra-5.15
linux-nvidia-tegra-igx
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.17
linux-oem-5.6
linux-oem-6.0
linux-oem-6.1
linux-oem-6.11 6.11.0-1024.24
linux-oem-6.5
linux-oem-6.8
linux-oracle 6.8.0-1037.38
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15
linux-oracle-5.3
linux-oracle-5.4
linux-oracle-5.8
linux-oracle-6.5
linux-oracle-6.8 6.8.0-1037.38~22.04.1
linux-raspi 6.8.0-1039.43
linux-raspi-5.4
linux-raspi-realtime 6.8.0-2030.31
linux-raspi2
linux-realtime 6.8.1-1034.35
linux-realtime-6.8 6.8.1-1034.35~22.04.1
linux-riscv
linux-riscv-5.11
linux-riscv-5.15
linux-riscv-5.19
linux-riscv-5.8
linux-riscv-6.5
linux-riscv-6.8 6.8.0-84.84~22.04.1
linux-starfive-5.19
linux-starfive-6.2
linux-starfive-6.5
linux-xilinx 6.8.0-1018.19
linux-xilinx-zynqmp

References

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