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Critical · 10.0 CVE-2025-21663 EUVD-2025-2612GHSA-42xc-c24r-x3cc

net: stmmac: dwmac-tegra: Read iommu stream id from device tree

Published Jan 21, 2025 · Updated Aug 5, 2026 · Assigned by Linux

Vendor: Linux Product: Linux 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-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.19 Package: linux-azure-5.3 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-nvidia Package: linux-fips Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 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-5.19 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-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-lowlatency Package: linux-lowlatency-hwe-5.19 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-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-6.5 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-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 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-xilinx Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

net: stmmac: dwmac-tegra: Read iommu stream id from device tree

Nvidia's Tegra MGBE controllers require the IOMMU "Stream ID" (SID) to be
written to the MGBE_WRAP_AXI_ASID0_CTRL register.

The current driver is hard coded to use MGBE0's SID for all controllers.
This causes softirq time outs and kernel panics when using controllers
other than MGBE0.

Example dmesg errors when an ethernet cable is connected to MGBE1:

[ 116.133290] tegra-mgbe 6910000.ethernet eth1: Link is Up - 1Gbps/Full - flow control rx/tx
[ 121.851283] tegra-mgbe 6910000.ethernet eth1: NETDEV WATCHDOG: CPU: 5: transmit queue 0 timed out 5690 ms
[ 121.851782] tegra-mgbe 6910000.ethernet eth1: Reset adapter.
[ 121.892464] tegra-mgbe 6910000.ethernet eth1: Register MEM_TYPE_PAGE_POOL RxQ-0
[ 121.905920] tegra-mgbe 6910000.ethernet eth1: PHY [stmmac-1:00] driver [Aquantia AQR113] (irq=171)
[ 121.907356] tegra-mgbe 6910000.ethernet eth1: Enabling Safety Features
[ 121.907578] tegra-mgbe 6910000.ethernet eth1: IEEE 1588-2008 Advanced Timestamp supported
[ 121.908399] tegra-mgbe 6910000.ethernet eth1: registered PTP clock
[ 121.908582] tegra-mgbe 6910000.ethernet eth1: configuring for phy/10gbase-r link mode
[ 125.961292] tegra-mgbe 6910000.ethernet eth1: Link is Up - 1Gbps/Full - flow control rx/tx
[ 181.921198] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 181.921404] rcu: 7-....: (1 GPs behind) idle=540c/1/0x4000000000000002 softirq=1748/1749 fqs=2337
[ 181.921684] rcu: (detected by 4, t=6002 jiffies, g=1357, q=1254 ncpus=8)
[ 181.921878] Sending NMI from CPU 4 to CPUs 7:
[ 181.921886] NMI backtrace for cpu 7
[ 181.922131] CPU: 7 UID: 0 PID: 0 Comm: swapper/7 Kdump: loaded Not tainted 6.13.0-rc3+ #6
[ 181.922390] Hardware name: NVIDIA CTI Forge + Orin AGX/Jetson, BIOS 202402.1-Unknown 10/28/2024
[ 181.922658] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 181.922847] pc : handle_softirqs+0x98/0x368
[ 181.922978] lr : __do_softirq+0x18/0x20
[ 181.923095] sp : ffff80008003bf50
[ 181.923189] x29: ffff80008003bf50 x28: 0000000000000008 x27: 0000000000000000
[ 181.923379] x26: ffffce78ea277000 x25: 0000000000000000 x24: 0000001c61befda0
[ 181.924486] x23: 0000000060400009 x22: ffffce78e99918bc x21: ffff80008018bd70
[ 181.925568] x20: ffffce78e8bb00d8 x19: ffff80008018bc20 x18: 0000000000000000
[ 181.926655] x17: ffff318ebe7d3000 x16: ffff800080038000 x15: 0000000000000000
[ 181.931455] x14: ffff000080816680 x13: ffff318ebe7d3000 x12: 000000003464d91d
[ 181.938628] x11: 0000000000000040 x10: ffff000080165a70 x9 : ffffce78e8bb0160
[ 181.945804] x8 : ffff8000827b3160 x7 : f9157b241586f343 x6 : eeb6502a01c81c74
[ 181.953068] x5 : a4acfcdd2e8096bb x4 : ffffce78ea277340 x3 : 00000000ffffd1e1
[ 181.960329] x2 : 0000000000000101 x1 : ffffce78ea277340 x0 : ffff318ebe7d3000
[ 181.967591] Call trace:
[ 181.970043] handle_softirqs+0x98/0x368 (P)
[ 181.974240] __do_softirq+0x18/0x20
[ 181.977743] ____do_softirq+0x14/0x28
[ 181.981415] call_on_irq_stack+0x24/0x30
[ 181.985180] do_softirq_own_stack+0x20/0x30
[ 181.989379] __irq_exit_rcu+0x114/0x140
[ 181.993142] irq_exit_rcu+0x14/0x28
[ 181.996816] el1_interrupt+0x44/0xb8
[ 182.000316] el1h_64_irq_handler+0x14/0x20
[ 182.004343] el1h_64_irq+0x80/0x88
[ 182.007755] cpuidle_enter_state+0xc4/0x4a8 (P)
[ 182.012305] cpuidle_enter+0x3c/0x58
[ 182.015980] cpuidle_idle_call+0x128/0x1c0
[ 182.020005] do_idle+0xe0/0xf0
[ 182.023155] cpu_startup_entry+0x3c/0x48
[ 182.026917] secondary_start_kernel+0xdc/0x120
[ 182.031379] __secondary_switched+0x74/0x78
[ 212.971162] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 7-.... } 6103 jiffies s: 417 root: 0x80/.
[ 212.985935] rcu: blocking rcu_node structures (internal RCU debug):
[ 212.992758] Sending NMI from CPU 0 to CPUs 7:
[ 212.998539] NMI backtrace for cpu 7
[ 213.004304] CPU: 7 UID: 0 PI
---truncated---

Affected products

VendorProductAffectedFixed
Linux Linux 6.2 6.6.72

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 6.12.10-1 —
Debian 13 linux 6.12.10-1 —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux 6.8.0-60.63 USN-7513-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1029.31 USN-7513-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1029.34 USN-7513-3
Ubuntu 24.04 LTS linux-azure-6.11 6.11.0-1012.12~24.04.1 —
Ubuntu 24.04 LTS linux-azure-nvidia 6.8.0-1016.17 USN-7522-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1030.32 USN-7515-2
Ubuntu 24.04 LTS linux-gcp-6.11 6.11.0-1011.11~24.04.1 —
Ubuntu 24.04 LTS linux-gke 6.8.0-1025.29 USN-7515-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1012.14 USN-7515-2
Ubuntu 24.04 LTS linux-hwe-6.11 6.11.0-21.21~24.04.1 USN-7379-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1026.26 USN-7513-1
Ubuntu 24.04 LTS linux-lowlatency-hwe-6.11 6.11.0-1011.12~24.04.1 USN-7381-1
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1028.31 USN-7514-1
Ubuntu 24.04 LTS linux-nvidia-6.11 6.11.0-1007.7 —
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1028.31.1 USN-7514-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-oem-6.11 6.11.0-1017.17 USN-7382-1
Ubuntu 24.04 LTS linux-oem-6.8 6.8.0-1028.28 USN-7513-3
Ubuntu 24.04 LTS linux-oracle 6.8.0-1026.27 USN-7513-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1028.32 USN-7524-1
Ubuntu 24.04 LTS linux-realtime +1 No fix yet —
Ubuntu 24.04 LTS linux-riscv +1 6.8.0-60.63.1 USN-7513-1
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1017.18 —
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1029.31~22.04.1 USN-7513-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1029.34~22.04.1 USN-7513-3
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1030.32~22.04.1 USN-7515-2
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-60.63~22.04.1 USN-7513-4
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1026.26~22.04.1 —
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-60.63.1~22.04.1 USN-7513-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1028.31~22.04.1 USN-7514-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1026.27~22.04.1 USN-7513-5
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-62.65~22.04.1 —
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 —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2023.24 USN-7523-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1022.23 USN-7513-2
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1022.23~22.04.1 —
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-78.78+fips1 —
ReleasePackageFixed inAdvisory
RHEL 9 rv +77 5.14.0-570.12.1.el9_6 RHSA-2025:6966
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.38.1 SUSE-SU-2025:0499-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.26.1 SUSE-SU-2025:0428-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.15.coco15sp6.1 SUSE-SU-2025:0564-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.38.1.150600.12.16.2 SUSE-SU-2025:0499-1
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 6.1 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20249-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20249-1, SUSE-SU-2025:20248-1
SLE Micro 6.0 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20166-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20166-1, SUSE-SU-2025:20165-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.38.1 SUSE-SU-2025:0499-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_8 1-150600.1.3.1 SUSE-SU-2025:0557-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_8 1-150600.13.3.2 SUSE-SU-2025:0499-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.26.1 SUSE-SU-2025:0557-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.38.1 SUSE-SU-2025:0499-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.26.1 SUSE-SU-2025:0428-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.38.1.150600.12.16.2 SUSE-SU-2025:0499-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.26.1 SUSE-SU-2025:0557-1

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.5.0-802.el9_6 ELSA-2025-6966
Oracle Linux 9 kernel-uek +34 6.12.0-101.33.4.3.el10uek ELSA-2025-20530, ELSA-2025-20480
Oracle Linux 9 rv +28 5.14.0-570.12.1.0.1.el9_6 ELSA-2025-6966

Advisories 27

References