In the Linux kernel, the following vulnerability has been resolved:
can: j1939: make j1939_session_activate() fail if device is no longer registered
syzbot is still reporting
unregister_netdevice: waiting for vcan0 to become free. Usage count = 2
even after commit 93a27b5891b8 ("can: j1939: add missing calls in NETDEV_UNREGISTER notification handler") was added. A debug printk() patch found that j1939_session_activate() can succeed even after j1939_cancel_active_session() from j1939_netdev_notify(NETDEV_UNREGISTER) has completed.
Since j1939_cancel_active_session() is processed with the session list lock held, checking ndev->reg_state in j1939_session_activate() with the session list lock held can reliably close the race window.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-libbpf-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade perf6.12Upgrade kernel6.12-debuginfo-common-aarch64Upgrade python3-perf6.12Upgrade kernel6.12-headersUpgrade kernel6.12Upgrade kernel6.12-develUpgrade kernel6.12-modules-extra-commonUpgrade kernel6.12-modules-extraUpgrade bpftool6.12-debuginfoUpgrade kernel-livepatch-6.12.66-88.122Upgrade kernel6.12-debuginfoUpgrade kernel6.12-tools-develUpgrade perf6.12-debuginfoUpgrade bpftool6.12Upgrade kernel6.12-toolsUpgrade kernel6.12-libbpf-staticUpgrade kernel6.12-tools-debuginfoUpgrade kernel6.12-libbpfUpgrade kernel6.12-libbpf-develUpgrade python3-perf6.12-debuginfo | Apr 7, 2026 | Jan 31, 2026 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Feb 11, 2026 | Feb 11, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Mar 12, 2026 | Jan 31, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Jan 31, 2026 |
| Ubuntu | — | Upgrade linux-image-azure-6.17Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-6.8.0-1059-azure-fipsUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-kvmUpgrade linux-image-oem-24.04dUpgrade linux-image-fips-6.8Upgrade linux-image-6.17.0-1019-oracle-64kUpgrade linux-image-6.8.0-117-lowlatency-64kUpgrade linux-image-6.17.0-1018-azure-fdeUpgrade linux-image-azure-6.8Upgrade linux-image-5.15.0-1102-realtimeUpgrade linux-image-gkeopUpgrade linux-image-gcp-6.8Upgrade linux-image-oem-24.04aUpgrade linux-image-oem-24.04cUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1059-azureUpgrade linux-image-kvm-5.15Upgrade linux-image-nvidia-tegraUpgrade linux-image-realtimeUpgrade linux-image-5.15.0-1044-nvidia-tegra-igx-rtUpgrade linux-image-generic-lpaeUpgrade linux-image-generic-6.8Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-gke-5.15Upgrade linux-image-nvidia-5.15Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-1109-azureUpgrade linux-image-aws-64k-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-azure-fde-6.17Upgrade linux-image-nvidiaUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-5.15.0-1110-azureUpgrade linux-image-5.15.0-1109-azure-fipsUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-6.8.0-1055-awsUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-aws-5.15Upgrade linux-image-gcpUpgrade linux-image-gkeop-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1041-gkeopUpgrade linux-image-6.8.0-1054-gke-64kUpgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1103-aws-fipsUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-5.15.0-1097-ibmUpgrade linux-image-nvidia-64k-hwe-24.04Upgrade linux-image-6.17.0-1018-realtimeUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1032-xilinxUpgrade linux-image-5.15.0-1098-intel-iotgUpgrade linux-image-oem-6.17Upgrade linux-image-raspi-realtimeUpgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-1097-raspiUpgrade linux-image-intelUpgrade linux-image-intel-iotgUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-azure-fipsUpgrade linux-image-aws-lts-22.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-1055-ibmUpgrade linux-image-azure-lts-24.04Upgrade linux-image-5.15.0-173-lowlatencyUpgrade linux-image-6.8.0-1054-nvidia-lowlatencyUpgrade linux-image-oem-20.04dUpgrade linux-image-fips-5.15Upgrade linux-image-gkeUpgrade linux-image-ibm-6.8Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-realtime-6.17Upgrade linux-image-5.15.0-1044-nvidia-tegra-igxUpgrade linux-image-5.15.0-1055-nvidia-tegraUpgrade linux-image-5.15.0-1098-nvidia-lowlatencyUpgrade linux-image-oem-20.04bUpgrade linux-image-virtualUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-xilinxUpgrade linux-image-oracleUpgrade linux-image-5.15.0-1095-kvmUpgrade linux-image-5.15.0-1100-oracleUpgrade linux-image-6.8.0-1024-nvidia-tegraUpgrade linux-image-6.8.0-1054-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-173-generic-lpaeUpgrade linux-image-oem-20.04cUpgrade linux-image-oem-24.04bUpgrade linux-image-5.15.0-1098-nvidiaUpgrade linux-image-5.15.0-173-genericUpgrade linux-image-lowlatencyUpgrade linux-image-oracle-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-6.17.0-1021-azureUpgrade linux-image-6.17.0-1031-nvidiaUpgrade linux-image-azure-lts-22.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-116-fipsUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-6.8.1-1051-realtimeUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-5.15.0-1055-nvidia-tegra-rtUpgrade linux-image-nvidia-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-lowlatency-5.15Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1056-azureUpgrade linux-image-6.17.0-1021-gcp-64kUpgrade linux-image-5.15.0-1103-aws-64kUpgrade linux-image-azure-fips-5.15Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-aws-64k-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-gkeop-5.15Upgrade linux-image-virtual-6.8Upgrade linux-image-virtual-5.15Upgrade linux-image-realtime-5.15Upgrade linux-image-raspi-6.8Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.8.0-117-generic-64kUpgrade linux-image-6.8.0-1054-nvidia-64kUpgrade linux-image-gcp-fipsUpgrade linux-image-aws-6.8Upgrade linux-image-5.15.0-1103-gcp-fipsUpgrade linux-image-5.15.0-1099-gkeUpgrade linux-image-6.17.0-1031-nvidia-64kUpgrade linux-image-ibm-5.15Upgrade linux-image-gke-64k-6.8Upgrade linux-image-6.8.0-1058-gcp-64kUpgrade linux-image-6.17.0-1030-oemUpgrade linux-image-genericUpgrade linux-image-azure-fdeUpgrade linux-image-azureUpgrade linux-image-raspi-5.15Upgrade linux-image-6.8.0-1054-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-5.15.0-173-generic-64kUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-5.15Upgrade linux-image-gcp-5.15Upgrade linux-image-awsUpgrade linux-image-6.8.0-117-lowlatencyUpgrade linux-image-6.8.0-117-genericUpgrade linux-image-6.8.0-1056-raspiUpgrade linux-image-oracle-5.15Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1055-aws-64kUpgrade linux-image-6.8.0-1024-nvidia-tegra-rtUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-oracle-6.17Upgrade linux-image-nvidia-64k-6.17Upgrade linux-image-nvidia-6.17Upgrade linux-image-lowlatency-64kUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-gke-6.8Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-gke-64kUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-gcp-64k-6.17Upgrade linux-image-5.15.0-1094-intel-iot-realtimeUpgrade linux-image-6.17.0-1019-oracleUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-5.15.0-1103-gcpUpgrade linux-image-5.15.0-173-lowlatency-64kUpgrade linux-image-6.8.0-1055-aws-fipsUpgrade linux-image-6.8.0-1054-gkeUpgrade linux-image-6.17.0-1021-gcpUpgrade linux-image-5.15.0-173-fipsUpgrade linux-image-5.15.0-1086-gkeopUpgrade linux-image-5.15.0-1067-xilinx-zynqmpUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-generic-64k-5.15Upgrade linux-image-6.8.0-1058-gcp-fipsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-2045-raspi-realtimeUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-azure-5.15Upgrade linux-image-6.8.0-1058-gcpUpgrade linux-image-aws-fipsUpgrade linux-image-gcp-6.17Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-xilinx-6.8Upgrade linux-image-fipsUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-raspiUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-5.15.0-1103-awsUpgrade linux-image-aws-fips-5.15 | Mar 17, 2026 | Jan 31, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jan 31, 2026 |
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