In the Linux kernel, the following vulnerability has been resolved:
net: txgbe: fix RTNL assertion warning when remove module
For the copper NIC with external PHY, the driver called phylink_connect_phy() during probe and phylink_disconnect_phy() during remove. It caused an RTNL assertion warning in phylink_disconnect_phy() upon module remove.
To fix this, add rtnl_lock() and rtnl_unlock() around the phylink_disconnect_phy() in remove function.
------------[ cut here ]------------ RTNL: assertion failed at drivers/net/phy/phylink.c (2351) WARNING: drivers/net/phy/phylink.c:2351 at phylink_disconnect_phy+0xd8/0xf0 [phylink], CPU#0: rmmod/4464 Modules linked in: ... CPU: 0 UID: 0 PID: 4464 Comm: rmmod Kdump: loaded Not tainted 7.0.0-rc4+ Hardware name: Micro-Star International Co., Ltd. MS-7E16/X670E GAMING PLUS WIFI (MS-7E16), BIOS 1.90 12/31/2024 RIP: 0010:phylink_disconnect_phy+0xe4/0xf0 [phylink] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 31 d2 31 f6 31 ff e9 3a 38 8f e7 48 8d 3d 48 87 e2 ff ba 2f 09 00 00 48 c7 c6 c1 22 24 c0 <67> 48 0f b9 3a e9 34 ff ff ff 66 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffce7288363ac0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff89654b2a1a00 RCX: 0000000000000000 RDX: 000000000000092f RSI: ffffffffc02422c1 RDI: ffffffffc0239020 RBP: ffffce7288363ae8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8964c4022000 R13: ffff89654fce3028 R14: ffff89654ebb4000 R15: ffffffffc0226348 FS: 0000795e80d93780(0000) GS:ffff896c52857000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005b528b592000 CR3: 0000000170d0f000 CR4: 0000000000f50ef0 PKRU: 55555554 Call Trace: <TASK> txgbe_remove_phy+0xbb/0xd0 [txgbe] txgbe_remove+0x4c/0xb0 [txgbe] pci_device_remove+0x41/0xb0 device_remove+0x43/0x80 device_release_driver_internal+0x206/0x270 driver_detach+0x4a/0xa0 bus_remove_driver+0x83/0x120 driver_unregister+0x2f/0x60 pci_unregister_driver+0x40/0x90 txgbe_driver_exit+0x10/0x850 [txgbe] __do_sys_delete_module.isra.0+0x1c3/0x2f0 __x64_sys_delete_module+0x12/0x20 x64_sys_call+0x20c3/0x2390 do_syscall_64+0x11c/0x1500 ? srso_alias_return_thunk+0x5/0xfbef5 ? do_syscall_64+0x15a/0x1500 ? srso_alias_return_thunk+0x5/0xfbef5 ? do_fault+0x312/0x580 ? srso_alias_return_thunk+0x5/0xfbef5 ? __handle_mm_fault+0x9d5/0x1040 ? srso_alias_return_thunk+0x5/0xfbef5 ? count_memcg_events+0x101/0x1d0 ? srso_alias_return_thunk+0x5/0xfbef5 ? handle_mm_fault+0x1e8/0x2f0 ? srso_alias_return_thunk+0x5/0xfbef5 ? do_user_addr_fault+0x2f8/0x820 ? srso_alias_return_thunk+0x5/0xfbef5 ? irqentry_exit+0xb2/0x600 ? srso_alias_return_thunk+0x5/0xfbef5 ? exc_page_fault+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-oem-20.04cUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-generic-64kUpgrade linux-image-7.0.0-1008-aws-64kUpgrade linux-image-laptop-23.10Upgrade linux-image-7.0.0-1010-azureUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-oem-22.04Upgrade linux-image-7.0.0-27-genericUpgrade linux-image-virtualUpgrade linux-image-oem-22.04cUpgrade linux-image-oracleUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-gcpUpgrade linux-image-gke-64k-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-oem-7.0Upgrade linux-image-oem-24.04aUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-6.8.0-1063-azureUpgrade 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linux-image-6.8.0-1061-awsUpgrade linux-image-virtual-6.8Upgrade linux-image-oracle-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-kvmUpgrade linux-image-generic-6.8Upgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-gcp-64kUpgrade linux-image-generic-7.0Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-gcp-7.0Upgrade linux-image-gke-64kUpgrade linux-image-azure-fde-7.0Upgrade linux-image-7.0.0-27-realtimeUpgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-lowlatencyUpgrade linux-image-nvidia-6.8Upgrade linux-image-aws-7.0Upgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-ibmUpgrade linux-image-raspiUpgrade linux-image-realtime-6.8.1Upgrade linux-image-lowlatency-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-fipsUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-gcp-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-aws-6.8Upgrade linux-image-nvidia-7.0Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-aws-64k-7.0Upgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-aws-fips-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-7.0.0-27-realtime-64kUpgrade linux-image-7.0.0-1013-nvidiaUpgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-ibm-6.8Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-azure-lts-24.04Upgrade linux-image-7.0.0-1007-oracle-64kUpgrade linux-image-7.0.0-1007-gcpUpgrade linux-image-oracle-7.0Upgrade linux-image-oem-24.04cUpgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-27-generic-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-64k-7.0 | Jul 1, 2026 | Jun 8, 2026 |
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