In the Linux kernel, the following vulnerability has been resolved:
i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock
A deadlock may happen since the i3c_master_register() acquires &i3cbus->lock twice. See the log below. Use i3cdev->desc->info instead of calling i3c_device_info() to avoid acquiring the lock twice.
v2: - Modified the title and commit message
============================================ WARNING: possible recursive locking detected 6.11.0-mainline -------------------------------------------- init/1 is trying to acquire lock: f1ffff80a6a40dc0 (&i3cbus->lock){++++}-{3:3}, at: i3c_bus_normaluse_lock
but task is already holding lock: f1ffff80a6a40dc0 (&i3cbus->lock){++++}-{3:3}, at: i3c_master_register
other info that might help us debug this: Possible unsafe locking scenario:
CPU0 ---- lock(&i3cbus->lock); lock(&i3cbus->lock);
*** DEADLOCK ***
May be due to missing lock nesting notation
2 locks held by init/1: #0: fcffff809b6798f8 (&dev->mutex){....}-{3:3}, at: __driver_attach #1: f1ffff80a6a40dc0 (&i3cbus->lock){++++}-{3:3}, at: i3c_master_register
stack backtrace: CPU: 6 UID: 0 PID: 1 Comm: init Call trace: dump_backtrace+0xfc/0x17c show_stack+0x18/0x28 dump_stack_lvl+0x40/0xc0 dump_stack+0x18/0x24 print_deadlock_bug+0x388/0x390 __lock_acquire+0x18bc/0x32ec lock_acquire+0x134/0x2b0 down_read+0x50/0x19c i3c_bus_normaluse_lock+0x14/0x24 i3c_device_get_info+0x24/0x58 i3c_device_uevent+0x34/0xa4 dev_uevent+0x310/0x384 kobject_uevent_env+0x244/0x414 kobject_uevent+0x14/0x20 device_add+0x278/0x460 device_register+0x20/0x34 i3c_master_register_new_i3c_devs+0x78/0x154 i3c_master_register+0x6a0/0x6d4 mtk_i3c_master_probe+0x3b8/0x4d8 platform_probe+0xa0/0xe0 really_probe+0x114/0x454 __driver_probe_device+0xa0/0x15c driver_probe_device+0x3c/0x1ac __driver_attach+0xc4/0x1f0 bus_for_each_dev+0x104/0x160 driver_attach+0x24/0x34 bus_add_driver+0x14c/0x294 driver_register+0x68/0x104 __platform_driver_register+0x20/0x30 init_module+0x20/0xfe4 do_one_initcall+0x184/0x464 do_init_module+0x58/0x1ec load_module+0xefc/0x10c8 __arm64_sys_finit_module+0x238/0x33c invoke_syscall+0x58/0x10c el0_svc_common+0xa8/0xdc do_el0_svc+0x1c/0x28 el0_svc+0x50/0xac el0t_64_sync_handler+0x70/0xbc el0t_64_sync+0x1a8/0x1ac
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 Ami 2 | — | Upgrade kernel-livepatch-5.10.233-223.887Upgrade python-perf-debuginfoUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade perfUpgrade kernel-livepatch-5.15.176-118.170Upgrade kernelUpgrade python-perfUpgrade kernel-tools-develUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64 | Mar 14, 2025 | Jan 11, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-livepatch-6.1.124-134.200Upgrade kernelUpgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-modules-extra-commonUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-develUpgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade bpftool-debuginfoUpgrade perfUpgrade kernel-libbpf-staticUpgrade kernel-modules-extraUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade kernel-develUpgrade kernel-libbpfUpgrade kernel-tools-devel | Mar 27, 2025 | Jan 11, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jan 13, 2025 | Jan 11, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade bpftool | Apr 1, 2025 | Jan 11, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 11, 2025 |
| Suse | — | Upgrade kernel-kvmsmallUpgrade kernel-azure-extraUpgrade kernel-zfcpdumpUpgrade kernel-default-extraUpgrade kernel-64kb-develUpgrade kernel-macrosUpgrade kernel-kvmsmall-develUpgrade kernel-64kbUpgrade kernel-develUpgrade kernel-devel-azureUpgrade kernel-docsUpgrade kernel-obs-qaUpgrade kernel-symsUpgrade reiserfs-kmp-defaultUpgrade kernel-source-azureUpgrade kernel-default-vdsoUpgrade kernel-sourceUpgrade kernel-default-develUpgrade kernel-defaultUpgrade kernel-default-livepatchUpgrade kernel-64kb-extraUpgrade kernel-docs-htmlUpgrade kernel-azureUpgrade kernel-kvmsmall-vdsoUpgrade kernel-azure-develUpgrade kernel-source-vanillaUpgrade kernel-azure-vdsoUpgrade kernel-obs-build | Dec 5, 2025 | Dec 5, 2025 |
| Ubuntu | — | Upgrade linux-image-gkeop-5.15Upgrade linux-image-5.15.0-135-generic-lpaeUpgrade linux-image-5.15.0-1077-gkeUpgrade linux-image-oem-20.04cUpgrade linux-image-5.4.0-211-generic-lpaeUpgrade linux-image-5.15.0-1081-gcpUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.4.0-1048-iotUpgrade linux-image-nvidia-64kUpgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oem-20.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-raspi2Upgrade linux-image-5.4.0-1145-gcp-fipsUpgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-5.15.0-1086-azure-fdeUpgrade linux-image-kvmUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.15.0-1080-realtimeUpgrade linux-image-oem-osp1Upgrade linux-image-5.15.0-135-fipsUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-5.4.0-1116-fipsUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-realtimeUpgrade linux-image-5.4.0-211-lowlatencyUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-5.15.0-1077-intel-iotgUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.4.0-1142-awsUpgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-aws-lts-24.04Upgrade linux-image-azure-fipsUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-bluefieldUpgrade linux-image-5.4.0-1090-ibmUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.4.0-1101-bluefieldUpgrade linux-image-5.15.0-1044-xilinx-zynqmpUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-oracleUpgrade linux-image-raspi-realtimeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-5.15.0-135-lowlatency-64kUpgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-oracle-64kUpgrade linux-image-azure-fdeUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-136-generic-lpaeUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.4.0-211-genericUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-5.15.0-1080-aws-fipsUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-gcp-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1074-raspiUpgrade linux-image-azure-cvmUpgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-awsUpgrade linux-image-5.15.0-1073-intel-iot-realtimeUpgrade linux-image-5.15.0-1084-azureUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-oem-24.04bUpgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-aws-fipsUpgrade linux-image-5.4.0-1088-ibmUpgrade linux-image-5.4.0-1147-azure-fipsUpgrade linux-image-5.15.0-1086-azureUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-58-genericUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-5.4.0-1145-gcpUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-1062-gkeopUpgrade linux-image-ibmUpgrade linux-image-virtualUpgrade linux-image-lowlatencyUpgrade linux-image-azure-nvidiaUpgrade linux-image-oem-20.04bUpgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-gke-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-oemUpgrade linux-image-5.15.0-135-generic-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-oem-22.04Upgrade linux-image-raspiUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.11.0-21-genericUpgrade linux-image-lowlatency-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-5.15.0-1075-intel-iotgUpgrade linux-image-5.15.0-1079-gcpUpgrade linux-image-5.15.0-136-generic-64kUpgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-intel-iotgUpgrade linux-image-5.4.0-1060-xilinx-zynqmpUpgrade linux-image-5.15.0-1074-nvidia-lowlatencyUpgrade linux-image-genericUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1080-awsUpgrade linux-image-5.15.0-1077-oracleUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-ibm-classicUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-gkeUpgrade linux-image-5.15.0-1072-ibmUpgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1079-gcp-fipsUpgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-tegraUpgrade linux-image-nvidiaUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-5.4.0-1140-oracleUpgrade linux-image-5.15.0-136-genericUpgrade linux-image-aws-lts-20.04Upgrade linux-image-5.4.0-1142-aws-fipsUpgrade linux-image-5.15.0-1074-nvidiaUpgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-azureUpgrade linux-image-oem-24.04Upgrade linux-image-fipsUpgrade linux-image-5.15.0-135-genericUpgrade linux-image-oem-22.04cUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1083-azure-fipsUpgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-intelUpgrade linux-image-nvidia-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-6.11.0-1017-oemUpgrade linux-image-5.4.0-1147-azureUpgrade linux-image-5.15.0-135-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.4.0-1129-kvmUpgrade linux-image-aws-lts-22.04 | Mar 28, 2025 | Jan 11, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 10, 2025 | Jan 11, 2025 |
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