In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Unregister notifier on eswitch init failure
It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort:
[ 682.589148] ------------[ cut here ]------------ [ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered [ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...snipped] [ 682.610052] Call Trace: [ 682.610369] <TASK> [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53
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 kernel-modules-extra-commonUpgrade kernelUpgrade kernel-libbpf-develUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-develUpgrade kernel-libbpf-staticUpgrade kernel-develUpgrade perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-6.1.115-126.197Upgrade kernel-debuginfoUpgrade kernel-toolsUpgrade kernel-headersUpgrade perf-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-modules-extraUpgrade kernel-libbpfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade bpftool-debuginfo | Mar 27, 2025 | Nov 5, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Nov 11, 2024 | Nov 5, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 5, 2024 |
| Ubuntu | — | Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-gkeop-6.8Upgrade linux-image-oem-24.04Upgrade linux-image-nvidia-64kUpgrade linux-image-gcpUpgrade linux-image-oracleUpgrade linux-image-oem-22.04bUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-gkeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-oem-24.04bUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-oracle-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-genericUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-realtimeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-gkeopUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.11.0-18-genericUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-22.04dUpgrade linux-image-ibm-classicUpgrade linux-image-kvmUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-oem-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-lowlatencyUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-ibmUpgrade linux-image-awsUpgrade linux-image-azureUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.11.0-1009-awsUpgrade linux-image-raspiUpgrade linux-image-6.8.0-58-genericUpgrade linux-image-azure-nvidiaUpgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-azure-fde | Feb 20, 2025 | Nov 5, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 14, 2025 | Nov 5, 2024 |
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