In the Linux kernel, the following vulnerability has been resolved:
usb: dwc3: Remove WARN_ON for device endpoint command timeouts
This commit addresses a rarely observed endpoint command timeout which causes kernel panic due to warn when 'panic_on_warn' is enabled and unnecessary call trace prints when 'panic_on_warn' is disabled. It is seen during fast software-controlled connect/disconnect testcases. The following is one such endpoint command timeout that we observed:
1. Connect ======= ->dwc3_thread_interrupt ->dwc3_ep0_interrupt ->configfs_composite_setup ->composite_setup ->usb_ep_queue ->dwc3_gadget_ep0_queue ->__dwc3_gadget_ep0_queue ->__dwc3_ep0_do_control_data ->dwc3_send_gadget_ep_cmd
2. Disconnect ========== ->dwc3_thread_interrupt ->dwc3_gadget_disconnect_interrupt ->dwc3_ep0_reset_state ->dwc3_ep0_end_control_data ->dwc3_send_gadget_ep_cmd
In the issue scenario, in Exynos platforms, we observed that control transfers for the previous connect have not yet been completed and end transfer command sent as a part of the disconnect sequence and processing of USB_ENDPOINT_HALT feature request from the host timeout. This maybe an expected scenario since the controller is processing EP commands sent as a part of the previous connect. It maybe better to remove WARN_ON in all places where device endpoint commands are sent to avoid unnecessary kernel panic due to warn.
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 |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Sep 25, 2025 | Sep 25, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | Nov 13, 2025 | Sep 15, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Suse | — | Upgrade ocfs2-kmp-rtUpgrade dtb-appleUpgrade kernel-azure-develUpgrade kernel-obs-qaUpgrade dlm-kmp-azureUpgrade kernel-azure-extraUpgrade kselftests-kmp-rtUpgrade dlm-kmp-defaultUpgrade kernel-docs-htmlUpgrade kernel-zfcpdumpUpgrade kselftests-kmp-defaultUpgrade kernel-kvmsmall-develUpgrade kernel-kvmsmall-vdsoUpgrade reiserfs-kmp-rtUpgrade kernel-rtUpgrade dtb-socionextUpgrade kernel-macrosUpgrade dtb-amlogicUpgrade kernel-rt-livepatch-develUpgrade cluster-md-kmp-azureUpgrade kernel-docsUpgrade kernel-default-extraUpgrade kernel-kvmsmallUpgrade dtb-armUpgrade kernel-azure-vdsoUpgrade kernel-rt-vdsoUpgrade dtb-marvellUpgrade kernel-rt_debugUpgrade cluster-md-kmp-defaultUpgrade dtb-apmUpgrade kernel-symsUpgrade gfs2-kmp-64kbUpgrade gfs2-kmp-rtUpgrade kernel-defaultUpgrade kernel-syms-azureUpgrade dtb-broadcomUpgrade kernel-devel-azureUpgrade kernel-syms-rtUpgrade kernel-rt_debug-vdsoUpgrade kernel-devel-rtUpgrade dtb-amazonUpgrade kernel-64kbUpgrade dtb-exynosUpgrade dtb-caviumUpgrade kernel-rt-extraUpgrade kernel-rt-develUpgrade kernel-default-develUpgrade kernel-debug-develUpgrade ocfs2-kmp-64kbUpgrade kernel-64kb-optionalUpgrade dtb-lgUpgrade dtb-allwinnerUpgrade kernel-debugUpgrade ocfs2-kmp-defaultUpgrade kernel-64kb-extraUpgrade kernel-obs-buildUpgrade kernel-default-optionalUpgrade kernel-azure-optionalUpgrade kernel-64kb-develUpgrade gfs2-kmp-defaultUpgrade dtb-qcomUpgrade dtb-alteraUpgrade dlm-kmp-rtUpgrade dlm-kmp-64kbUpgrade reiserfs-kmp-64kbUpgrade kernel-source-rtUpgrade kernel-default-vdsoUpgrade kernel-default-base-rebuildUpgrade dtb-rockchipUpgrade kernel-rt_debug-develUpgrade kernel-rt-optionalUpgrade kernel-develUpgrade kernel-debug-vdsoUpgrade dtb-sprdUpgrade dtb-nvidiaUpgrade dtb-freescaleUpgrade kernel-sourceUpgrade kernel-azureUpgrade dtb-renesasUpgrade kselftests-kmp-azureUpgrade kernel-default-livepatch-develUpgrade kernel-default-baseUpgrade dtb-amdUpgrade gfs2-kmp-azureUpgrade ocfs2-kmp-azureUpgrade kernel-default-livepatchUpgrade reiserfs-kmp-defaultUpgrade dtb-mediatekUpgrade cluster-md-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-source-azureUpgrade reiserfs-kmp-azureUpgrade dtb-xilinxUpgrade kernel-rt-livepatchUpgrade dtb-hisiliconUpgrade cluster-md-kmp-rtUpgrade kernel-source-vanilla | Dec 5, 2025 | Oct 15, 2025 |
| Ubuntu | — | Upgrade linux-image-5.15.0-1061-xilinx-zynqmpUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-aws-64k-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-5.15.0-1101-azure-fipsUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-gcp-5.15Upgrade linux-image-5.15.0-163-genericUpgrade linux-image-5.15.0-1093-gkeUpgrade linux-image-realtime-5.15Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-realtimeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.15.0-1049-nvidia-tegraUpgrade linux-image-lowlatency-5.15Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-aws-fips-6.8Upgrade linux-image-gkeUpgrade linux-image-5.15.0-163-lowlatency-64kUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.15.0-1092-nvidiaUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-gkeop-5.15Upgrade linux-image-5.15.0-1038-nvidia-tegra-igxUpgrade linux-image-5.15.0-1092-intel-iotgUpgrade linux-image-5.15.0-163-generic-64kUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-azure-5.15Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-azure-cvmUpgrade linux-image-aws-5.15Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-virtual-5.15Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-azure-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-aws-64kUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-xilinx-6.8Upgrade linux-image-kvmUpgrade linux-image-gke-64k-6.8Upgrade linux-image-virtualUpgrade linux-image-ibm-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-raspi-5.15Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-oracleUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-awsUpgrade linux-image-raspi-nolpaeUpgrade linux-image-5.15.0-1097-aws-64kUpgrade linux-image-5.15.0-1091-ibmUpgrade linux-image-aws-fips-5.15Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1097-aws-fipsUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-oem-20.04dUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-oem-20.04Upgrade linux-image-oem-22.04bUpgrade linux-image-gkeop-6.8Upgrade linux-image-gcpUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-gke-64kUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-nvidia-5.15Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-gke-5.15Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-163-lowlatencyUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-5.15.0-1094-oracleUpgrade linux-image-realtime-6.8.1Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-oracle-5.15Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidiaUpgrade linux-image-lowlatencyUpgrade linux-image-gkeopUpgrade linux-image-generic-64k-5.15Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-azure-lts-22.04Upgrade linux-image-azure-fipsUpgrade linux-image-azureUpgrade linux-image-aws-fipsUpgrade linux-image-kvm-5.15Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-raspiUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-intelUpgrade linux-image-ibm-6.8Upgrade linux-image-5.15.0-1089-intel-iot-realtimeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-azure-lts-24.04Upgrade linux-image-5.15.0-1101-azureUpgrade linux-image-5.15.0-1038-nvidia-tegra-igx-rtUpgrade linux-image-oem-20.04cUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-5.15.0-1049-nvidia-tegra-rtUpgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-5.15.0-1092-nvidia-lowlatencyUpgrade linux-image-5.15.0-1097-gcpUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.15.0-1097-gcp-fipsUpgrade linux-image-xilinxUpgrade linux-image-fipsUpgrade linux-image-aws-6.8Upgrade linux-image-5.15.0-163-generic-lpaeUpgrade linux-image-5.15.0-163-fipsUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-6.8Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-ibm-classicUpgrade linux-image-5.15.0-1080-gkeopUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-generic-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-generic-64k-6.8Upgrade linux-image-5.15.0-1089-kvmUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-generic-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-fips-5.15Upgrade linux-image-ibmUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-genericUpgrade linux-image-aws-lts-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-1096-realtimeUpgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-5.15.0-1097-awsUpgrade linux-image-generic-5.15Upgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-tegraUpgrade linux-image-5.15.0-1102-azureUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1091-raspi | Dec 5, 2025 | Sep 15, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 10, 2025 | Sep 15, 2025 |
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