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High · 7.8 CVE-2025-21923 EUVD-2025-9398GHSA-5f2m-5gjf-8mqg

HID: hid-steam: Fix use-after-free when detaching device

Published Apr 1, 2025 · Updated Aug 5, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux-allwinner-5.19 Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-nvidia-6.11 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.11 Package: linux-oem-6.5 Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

HID: hid-steam: Fix use-after-free when detaching device

When a hid-steam device is removed it must clean up the client_hdev used for
intercepting hidraw access. This can lead to scheduling deferred work to
reattach the input device. Though the cleanup cancels the deferred work, this
was done before the client_hdev itself is cleaned up, so it gets rescheduled.
This patch fixes the ordering to make sure the deferred work is properly
canceled.

Affected products

VendorProductAffectedFixed
Linux Linux 6.6.79 – < 6.6.83, 6.12.16 – < 6.12.19, 6.13.4 – < 6.13.7 6.6.83

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.12.19-1 —
Debian 13 linux 6.12.19-1 —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-azure-6.11 6.11.0-1018.18~24.04.1 USN-7628-1
Ubuntu 24.04 LTS linux-gcp-6.11 6.11.0-1016.16~24.04.1 USN-7605-1
Ubuntu 24.04 LTS linux-hwe-6.11 6.11.0-28.28~24.04.1 USN-7605-1
Ubuntu 24.04 LTS linux-lowlatency-hwe-6.11 6.11.0-1015.16~24.04.2 USN-7605-2
Ubuntu 24.04 LTS linux-nvidia-6.11 6.11.0-1012.12 —
Ubuntu 24.04 LTS linux-oem-6.11 6.11.0-1024.24 USN-7606-1
Ubuntu 24.04 LTS linux-realtime +1 No fix yet —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +6 6.4.0-150700.53.3.1 SUSE-SU-2025:01951-1
SLES 15 SP7 kernel-azure +2 6.4.0-150700.20.3.1 SUSE-SU-2025:01967-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.3.1.150700.17.2.1 SUSE-SU-2025:01951-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.37.1 SUSE-SU-2025:01707-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.21.coco15sp6.1 SUSE-SU-2025:01919-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.50.1.150600.12.22.1 SUSE-SU-2025:01614-1
Show 5 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 6.1 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20270-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_7 1-1.3 SUSE-SU-2025:20283-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_6 1-3.1 SUSE-SU-2025:20270-1
SLE Micro 6.1 kernel-rt +1 6.4.0-30.1 SUSE-SU-2025:20283-1
SLE Micro 6.1 kernel-source +2 6.4.0-28.1 SUSE-SU-2025:20270-1
SLE Micro 6.0 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20192-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_7 1-1.3 SUSE-SU-2025:20206-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_6 1-3.1 SUSE-SU-2025:20192-1
SLE Micro 6.0 kernel-rt +1 6.4.0-30.1 SUSE-SU-2025:20206-1
SLE Micro 6.0 kernel-source +2 6.4.0-28.1 SUSE-SU-2025:20192-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.3.1 SUSE-SU-2025:01951-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_1 1-150700.15.3.1 SUSE-SU-2025:01951-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_11 1-150600.1.3.2 SUSE-SU-2025:01964-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_11 1-150600.13.3.1 SUSE-SU-2025:01614-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.39.1 SUSE-SU-2025:01964-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.37.1 SUSE-SU-2025:01707-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.50.1.150600.12.22.1 SUSE-SU-2025:01614-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.39.1 SUSE-SU-2025:01964-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.85.1-2 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-101.33.4.3.el10uek ELSA-2025-20530, ELSA-2025-20480

Advisories 17

References