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OpenAdvisories
High · 7.8 CVE-2025-38003 EUVD-2025-17385GHSA-w495-f5mg-799h

can: bcm: add missing rcu read protection for procfs content

Published Jun 8, 2025 · Updated Aug 5, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.14 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-fips Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fde-6.8 Package: linux-azure-fips Package: linux-azure-nvidia Package: linux-azure-nvidia-6.14 Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.14 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-fips 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-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 Package: linux-intel Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 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-lowlatency-hwe-6.8 Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx 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-6.14 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.14 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.14 Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.14 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

can: bcm: add missing rcu read protection for procfs content

When the procfs content is generated for a bcm_op which is in the process
to be removed the procfs output might show unreliable data (UAF).

As the removal of bcm_op's is already implemented with rcu handling this
patch adds the missing rcu_read_lock() and makes sure the list entries
are properly removed under rcu protection.

Affected products

VendorProductAffectedFixed
Linux Linux 5.4.205 – < 5.4.294, 5.10.130 – < 5.10.238, 5.15.54 – < 5.15.185, 4.19.252 – < 4.20, 5.18.11 – < 5.19, 5.19 5.4.294

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 6.12.32-1 —
Debian 13 linux 6.12.32-1 —
Debian 12 linux 6.1.147-1 DSA-5973-1
Debian 11 linux 5.10.244-1 DLA-4327-1
Debian 11 linux-6.1 6.1.153-1~deb11u1 DLA-4328-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 24.04 LTS linux-bluefield 6.8.0-1016.20 —
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1074.76 —
Ubuntu 25.10 linux-azure-fde No fix yet —
Ubuntu 25.04 linux-azure 6.14.0-1012.12 USN-7770-1
Ubuntu 25.04 linux-raspi 6.14.0-1014.14 USN-7789-2
Ubuntu 24.04 LTS linux 6.8.0-100.100 USN-8028-1
Ubuntu 24.04 LTS linux-aws +1 6.8.0-1046.49 USN-8028-5
Ubuntu 24.04 LTS linux-aws-6.14 +1 6.14.0-1013.13~24.04.1 USN-7789-1, USN-7769-3
Ubuntu 24.04 LTS linux-azure 6.8.0-1046.52 USN-8074-1
Ubuntu 24.04 LTS linux-azure-fde 6.8.0-1046.53 —
Ubuntu 24.04 LTS linux-azure-nvidia 6.8.0-1039.42 —
Ubuntu 24.04 LTS linux-azure-nvidia-6.14 6.14.0-1007.7 —
Ubuntu 24.04 LTS linux-gcp 6.8.0-1047.50 USN-8031-3
Ubuntu 24.04 LTS linux-gcp-6.14 6.14.0-1016.17~24.04.1 USN-7769-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1043.48 USN-8031-3
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1030.33 USN-8028-5
Ubuntu 24.04 LTS linux-hwe-6.14 6.14.0-32.32~24.04.1 USN-7769-3
Ubuntu 24.04 LTS linux-ibm 6.8.0-1044.44 USN-8028-8
Ubuntu 24.04 LTS linux-intel +10 No fix yet —
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-100.100.1 USN-8052-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1046.49.1 USN-8028-7
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1020.20 —
Ubuntu 24.04 LTS linux-oem-6.14 6.14.0-1012.12 USN-7771-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1043.44 USN-8028-5
Ubuntu 24.04 LTS linux-raspi 6.8.0-1047.51 USN-8028-1
Ubuntu 24.04 LTS linux-riscv-6.14 6.14.0-32.32.1~24.04.1 —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1023.24 USN-8052-2
Show 12 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux +1 5.15.0-152.162 USN-7704-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1090.97 USN-7704-1
Ubuntu 22.04 LTS linux-aws-6.8 +1 6.8.0-1046.49~22.04.1 USN-8028-5
Ubuntu 22.04 LTS linux-azure 5.15.0-1094.103 USN-7711-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1051.57~22.04.1 USN-8126-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1094.103.1 —
Ubuntu 22.04 LTS linux-azure-fde-6.8 6.8.0-1046.53~22.04.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1090.99 USN-7704-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1047.50~22.04.2 USN-8031-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1087.93 USN-7704-5
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1073.81 USN-7704-1
Ubuntu 22.04 LTS linux-hwe-6.8 +1 6.8.0-100.100~22.04.1 USN-8028-6
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1084.87 USN-7704-3
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1044.44~22.04.1 USN-8028-8
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1085.91 USN-7704-3
Ubuntu 22.04 LTS linux-kvm 5.15.0-1086.91 USN-7704-5
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-100.100.1~22.04.1 USN-8028-6
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1085.86 USN-7704-4
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1043.43 USN-7704-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1032.32 USN-7704-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1088.94 USN-7704-3
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1043.44~22.04.1 USN-8028-5
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1054.58 USN-7704-1
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 —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2037.38 USN-8028-3
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1041.42 USN-8028-3
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 6.14.0-1012.12~24.04.1 USN-7769-2
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1083.85 USN-7704-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1090.99 USN-7704-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1041.42~22.04.1 USN-8028-2
Ubuntu Pro FIPS-updates 24.04 LTS linux-aws-fips 6.8.0-1046.49+fips1 USN-8028-4
Ubuntu Pro FIPS-updates 24.04 LTS linux-azure-fips 6.8.0-1046.52+fips1 USN-8074-2
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-100.100+fips1 USN-8028-4
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips 6.8.0-1047.50+fips1 USN-8031-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1090.97+fips1 USN-7704-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1094.103+fips1 USN-7712-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-152.162+fips1 USN-7704-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1090.99+fips1 USN-7704-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux +10 No fix yet —
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1090.97~20.04.1 USN-7704-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1094.103~20.04.1 USN-7712-2
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1090.99~20.04.1 USN-7704-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-152.162~20.04.1 USN-7704-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 5.15.0-1083.86~20.04.1 USN-7704-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1085.91~20.04.1 USN-7704-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1043.43~20.04.1 USN-7704-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1088.94~20.04.1 USN-7704-1
Ubuntu Pro 20.04 LTS linux-riscv-5.15 5.15.0-1085.89~20.04.1 —
Ubuntu Pro 18.04 LTS linux-aws-5.4 +6 No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +6 6.4.0-150700.53.6.1 SUSE-SU-2025:02307-1
SLES 15 SP7 kernel-azure +2 6.4.0-150700.20.6.1 SUSE-SU-2025:02254-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.6.1.150700.17.6.1 SUSE-SU-2025:02307-1
SLES 15 SP6 kernel-64kb +3 6.4.0-150600.23.60.4 SUSE-SU-2025:02538-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.43.1 SUSE-SU-2025:02249-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.28.coco15sp6.1 SUSE-SU-2025:02923-1
SLES 15 SP6 kernel-default 6.4.0-150600.23.60.5 SUSE-SU-2025:02538-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.60.5.150600.12.26.4 SUSE-SU-2025:02538-1
SLES 15 SP6 kernel-docs +1 6.4.0-150600.23.60.3 SUSE-SU-2025:02538-1
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 6.1 kernel-default-base 6.4.0-31.1.21.9 SUSE-SU-2025:20475-1
SLE Micro 6.1 kernel-rt +1 6.4.0-34.1 SUSE-SU-2025:20483-1
SLE Micro 6.1 kernel-source +2 6.4.0-31.1 SUSE-SU-2025:20475-1
SLE Micro 6.0 kernel-default-base 6.4.0-31.1.21.9 SUSE-SU-2025:20493-1
SLE Micro 6.0 kernel-rt +1 6.4.0-34.1 SUSE-SU-2025:20498-1
SLE Micro 6.0 kernel-source +2 6.4.0-31.1 SUSE-SU-2025:20493-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.6.1 SUSE-SU-2025:02307-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7-RT_Update_2 1-150700.1.5.1 SUSE-SU-2025:02333-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_2 1-150700.15.3.1 SUSE-SU-2025:02307-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.60.5 SUSE-SU-2025:02538-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_13 1-150600.1.5.1 SUSE-SU-2025:02335-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_13 1-150600.13.6.4 SUSE-SU-2025:02538-1
SUSE Real Time Module 15 SP7 kernel-rt +2 6.4.0-150700.7.8.1 SUSE-SU-2025:02333-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.44.1 SUSE-SU-2025:02335-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +2 6.4.0-150600.23.60.3 SUSE-SU-2025:02538-1
openSUSE Leap 15.6 kernel-64kb +5 6.4.0-150600.23.60.4 SUSE-SU-2025:02538-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.43.1 SUSE-SU-2025:02249-1
openSUSE Leap 15.6 kernel-default 6.4.0-150600.23.60.5 SUSE-SU-2025:02538-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.60.5.150600.12.26.4 SUSE-SU-2025:02538-1
openSUSE Leap 15.6 kernel-obs-qa 6.4.0-150600.23.60.2 SUSE-SU-2025:02538-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.44.1 SUSE-SU-2025:02335-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.12.31-35.92 +1 1.0-0.amzn2023 ALAS2023-2025-1052, ALAS2023-2025-1037
Amazon Linux 2023 perf +14 6.1.141-155.222.amzn2023 ALAS2023-2025-1052, ALAS2023-2025-1037
Amazon Linux 2023 perf6.12 +5 6.12.31-35.92.amzn2023 ALAS2023-2025-1052

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.96.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-101.33.4.3.el10uek ELSA-2025-20530, ELSA-2025-20480
Oracle Linux 8 bpftool +18 5.15.0-312.187.5.el9uek ELSA-2025-20552
Oracle Linux 7 kernel-uek +6 5.4.17-2136.346.6.el8uek ELSA-2025-20521
Oracle Linux 7 kernel-uek-tools 5.4.17-2136.346.6.el7uek ELSA-2025-20521

Advisories 50

References