In the Linux kernel, the following vulnerability has been resolved:
can: bcm: add locking for bcm_op runtime updates
The CAN broadcast manager (CAN BCM) can send a sequence of CAN frames via hrtimer. The content and also the length of the sequence can be changed resp reduced at runtime where the 'currframe' counter is then set to zero.
Although this appeared to be a safe operation the updates of 'currframe' can be triggered from user space and hrtimer context in bcm_can_tx(). Anderson Nascimento created a proof of concept that triggered a KASAN slab-out-of-bounds read access which can be prevented with a spin_lock_bh.
At the rework of bcm_can_tx() the 'count' variable has been moved into the protected section as this variable can be modified from both contexts too.
CVSS Details
- CVSS 3.1 Base Score: 7.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade perfUpgrade bpftoolUpgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.15.185-126.190Upgrade kernel-develUpgrade kernel-livepatch-5.10.238-231.953Upgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-headersUpgrade python-perf | Jun 24, 2025 | Jun 8, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-livepatch-6.12.31-35.92Upgrade python3-perf6.12-debuginfoUpgrade perf-debuginfoUpgrade perf6.12-debuginfoUpgrade kernel6.12-modules-extraUpgrade kernel-libbpf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel6.12Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade kernel-livepatch-6.1.141-155.222Upgrade kernel-headersUpgrade perfUpgrade python3-perfUpgrade python3-perf6.12Upgrade kernel-develUpgrade kernel-modules-extra-commonUpgrade kernel6.12-debuginfo-common-x86_64Upgrade perf6.12Upgrade kernel-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-libbpfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-staticUpgrade kernelUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel6.12-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-modules-extraUpgrade bpftool-debuginfo | Jun 24, 2025 | Jun 8, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jun 10, 2025 | Jun 8, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | Aug 12, 2025 | Jun 8, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 8, 2025 |
| Suse | — | Upgrade kernel-default-manUpgrade dlm-kmp-defaultUpgrade kernel-azure-develUpgrade ocfs2-kmp-rtUpgrade kernel-obs-qaUpgrade kernel-default-base-rebuildUpgrade kernel-debugUpgrade dlm-kmp-azureUpgrade kernel-symsUpgrade dtb-socionextUpgrade reiserfs-kmp-azureUpgrade dtb-apmUpgrade kernel-docsUpgrade dtb-mediatekUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-defaultUpgrade kernel-syms-azureUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-macrosUpgrade kernel-64kb-optionalUpgrade gfs2-kmp-64kbUpgrade kernel-kvmsmall-develUpgrade kernel-azure-vdsoUpgrade kernel-64kb-develUpgrade dtb-armUpgrade cluster-md-kmp-defaultUpgrade kernel-default-extraUpgrade kernel-rt-vdsoUpgrade dtb-broadcomUpgrade kselftests-kmp-azureUpgrade kernel-default-vdsoUpgrade kernel-obs-buildUpgrade kernel-rt-optionalUpgrade kselftests-kmp-64kbUpgrade kernel-develUpgrade reiserfs-kmp-64kbUpgrade kernel-default-livepatch-develUpgrade kernel-kvmsmall-vdsoUpgrade dtb-sprdUpgrade kernel-azure-optionalUpgrade dtb-lgUpgrade kernel-sourceUpgrade dtb-marvellUpgrade kernel-default-develUpgrade kernel-rt_debug-develUpgrade ocfs2-kmp-azureUpgrade kernel-debug-vdsoUpgrade cluster-md-kmp-64kbUpgrade kernel-azureUpgrade dlm-kmp-rtUpgrade kernel-rt-extraUpgrade kernel-64kbUpgrade kernel-default-baseUpgrade dlm-kmp-64kbUpgrade cluster-md-kmp-rtUpgrade kernel-default-optionalUpgrade kernel-source-azureUpgrade kernel-docs-htmlUpgrade dtb-xilinxUpgrade kernel-azure-extraUpgrade dtb-qcomUpgrade dtb-amazonUpgrade dtb-freescaleUpgrade dtb-nvidiaUpgrade dtb-alteraUpgrade gfs2-kmp-azureUpgrade kernel-default-livepatchUpgrade reiserfs-kmp-defaultUpgrade dtb-exynosUpgrade ocfs2-kmp-64kbUpgrade dtb-caviumUpgrade dtb-renesasUpgrade kernel-debug-develUpgrade dtb-allwinnerUpgrade kernel-source-rtUpgrade dtb-appleUpgrade gfs2-kmp-defaultUpgrade kernel-source-vanillaUpgrade kernel-64kb-extraUpgrade ocfs2-kmp-defaultUpgrade kernel-rtUpgrade kernel-kvmsmallUpgrade kselftests-kmp-rtUpgrade dtb-rockchipUpgrade kernel-syms-rtUpgrade kernel-defaultUpgrade dtb-hisiliconUpgrade reiserfs-kmp-rtUpgrade kernel-rt_debugUpgrade kernel-devel-azureUpgrade gfs2-kmp-rtUpgrade dtb-amlogicUpgrade kernel-rt-develUpgrade kernel-devel-rtUpgrade dtb-amdUpgrade kernel-zfcpdump | Dec 5, 2025 | Jul 8, 2025 |
| Ubuntu | — | Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oracle-6.14Upgrade linux-image-gcp-5.15Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-fips-6.8Upgrade linux-image-5.15.0-152-genericUpgrade linux-image-aws-64k-5.15Upgrade linux-image-5.15.0-1032-nvidia-tegra-igxUpgrade linux-image-aws-lts-24.04Upgrade linux-image-5.15.0-1090-aws-fipsUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-aws-fips-6.8Upgrade linux-image-5.15.0-1090-gcp-fipsUpgrade linux-image-5.15.0-1094-azure-fipsUpgrade linux-image-oem-22.04bUpgrade linux-image-virtualUpgrade linux-image-aws-64k-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.14.0-1012-oemUpgrade linux-image-5.15.0-152-lowlatencyUpgrade linux-image-virtual-5.15Upgrade linux-image-5.15.0-1032-nvidia-tegra-igx-rtUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-5.15.0-1083-intel-iot-realtimeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-1085-intel-iotgUpgrade linux-image-azure-fipsUpgrade linux-image-5.15.0-1085-nvidia-lowlatencyUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-5.15.0-1094-azureUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-aws-64k-6.14Upgrade linux-image-5.15.0-1090-awsUpgrade linux-image-generic-64k-6.14Upgrade linux-image-5.15.0-1090-realtimeUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-kvmUpgrade linux-image-generic-6.8Upgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-awsUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-5.15.0-1083-ibmUpgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-oem-24.04bUpgrade linux-image-oem-24.04cUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-oem-6.14Upgrade linux-image-realtime-6.14Upgrade linux-image-virtual-6.14Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-realtimeUpgrade linux-image-generic-5.15Upgrade linux-image-6.14.0-1012-azureUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1073-gkeopUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-5.15.0-152-generic-64kUpgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-6.14.0-32-genericUpgrade linux-image-aws-5.15Upgrade linux-image-azure-fips-6.8Upgrade linux-image-5.15.0-1090-aws-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-oracle-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-aws-6.14Upgrade linux-image-gke-64kUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-5.15.0-1088-oracleUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-gcpUpgrade linux-image-azure-fips-5.15Upgrade linux-image-fipsUpgrade linux-image-ibm-5.15Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-aws-fips-5.15Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-64k-5.15Upgrade linux-image-oracle-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-gke-5.15Upgrade linux-image-azureUpgrade linux-image-6.14.0-32-generic-64kUpgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-5.15.0-152-fipsUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-5.15.0-1043-nvidia-tegra-rtUpgrade linux-image-oem-22.04cUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-5.15.0-1084-raspiUpgrade linux-image-realtime-6.8.1Upgrade linux-image-raspi-5.15Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-aws-64kUpgrade linux-image-6.14.0-1013-awsUpgrade linux-image-5.15.0-1090-gcpUpgrade linux-image-5.15.0-1043-nvidia-tegraUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-tegraUpgrade linux-image-raspiUpgrade linux-image-fips-5.15Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-kvm-5.15Upgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-5.15.0-152-generic-lpaeUpgrade linux-image-raspi-6.14Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-realtime-5.15Upgrade linux-image-intelUpgrade linux-image-intel-iotgUpgrade linux-image-gcp-6.14Upgrade linux-image-azure-5.15Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-5.15.0-1085-nvidiaUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-nvidiaUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-generic-6.14Upgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-5.15Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-virtual-6.8Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-raspi-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-5.15Upgrade linux-image-ibmUpgrade linux-image-gkeop-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-xilinxUpgrade linux-image-gkeUpgrade linux-image-aws-lts-22.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-5.15.0-1087-gkeUpgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1084-ibmUpgrade linux-image-lowlatency-5.15Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-aws-6.8Upgrade linux-image-5.15.0-1086-kvmUpgrade linux-image-5.15.0-1054-xilinx-zynqmpUpgrade linux-image-5.15.0-152-lowlatency-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-6.8.0-100-genericUpgrade linux-image-xilinx-6.8Upgrade linux-image-azure-6.14Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-genericUpgrade linux-image-gke-6.8Upgrade linux-image-oracle-64k-6.8 | Jun 26, 2025 | Jun 8, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | Jun 8, 2025 |
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