cvelist/2024/50xxx/CVE-2024-50146.json
2025-02-27 13:00:32 +00:00

124 lines
8.4 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-50146",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Don't call cleanup on profile rollback failure\n\nWhen profile rollback fails in mlx5e_netdev_change_profile, the netdev\nprofile var is left set to NULL. Avoid a crash when unloading the driver\nby not calling profile->cleanup in such a case.\n\nThis was encountered while testing, with the original trigger that\nthe wq rescuer thread creation got interrupted (presumably due to\nCtrl+C-ing modprobe), which gets converted to ENOMEM (-12) by\nmlx5e_priv_init, the profile rollback also fails for the same reason\n(signal still active) so the profile is left as NULL, leading to a crash\nlater in _mlx5e_remove.\n\n [ 732.473932] mlx5_core 0000:08:00.1: E-Switch: Unload vfs: mode(OFFLOADS), nvfs(2), necvfs(0), active vports(2)\n [ 734.525513] workqueue: Failed to create a rescuer kthread for wq \"mlx5e\": -EINTR\n [ 734.557372] mlx5_core 0000:08:00.1: mlx5e_netdev_init_profile:6235:(pid 6086): mlx5e_priv_init failed, err=-12\n [ 734.559187] mlx5_core 0000:08:00.1 eth3: mlx5e_netdev_change_profile: new profile init failed, -12\n [ 734.560153] workqueue: Failed to create a rescuer kthread for wq \"mlx5e\": -EINTR\n [ 734.589378] mlx5_core 0000:08:00.1: mlx5e_netdev_init_profile:6235:(pid 6086): mlx5e_priv_init failed, err=-12\n [ 734.591136] mlx5_core 0000:08:00.1 eth3: mlx5e_netdev_change_profile: failed to rollback to orig profile, -12\n [ 745.537492] BUG: kernel NULL pointer dereference, address: 0000000000000008\n [ 745.538222] #PF: supervisor read access in kernel mode\n<snipped>\n [ 745.551290] Call Trace:\n [ 745.551590] <TASK>\n [ 745.551866] ? __die+0x20/0x60\n [ 745.552218] ? page_fault_oops+0x150/0x400\n [ 745.555307] ? exc_page_fault+0x79/0x240\n [ 745.555729] ? asm_exc_page_fault+0x22/0x30\n [ 745.556166] ? mlx5e_remove+0x6b/0xb0 [mlx5_core]\n [ 745.556698] auxiliary_bus_remove+0x18/0x30\n [ 745.557134] device_release_driver_internal+0x1df/0x240\n [ 745.557654] bus_remove_device+0xd7/0x140\n [ 745.558075] device_del+0x15b/0x3c0\n [ 745.558456] mlx5_rescan_drivers_locked.part.0+0xb1/0x2f0 [mlx5_core]\n [ 745.559112] mlx5_unregister_device+0x34/0x50 [mlx5_core]\n [ 745.559686] mlx5_uninit_one+0x46/0xf0 [mlx5_core]\n [ 745.560203] remove_one+0x4e/0xd0 [mlx5_core]\n [ 745.560694] pci_device_remove+0x39/0xa0\n [ 745.561112] device_release_driver_internal+0x1df/0x240\n [ 745.561631] driver_detach+0x47/0x90\n [ 745.562022] bus_remove_driver+0x84/0x100\n [ 745.562444] pci_unregister_driver+0x3b/0x90\n [ 745.562890] mlx5_cleanup+0xc/0x1b [mlx5_core]\n [ 745.563415] __x64_sys_delete_module+0x14d/0x2f0\n [ 745.563886] ? kmem_cache_free+0x1b0/0x460\n [ 745.564313] ? lockdep_hardirqs_on_prepare+0xe2/0x190\n [ 745.564825] do_syscall_64+0x6d/0x140\n [ 745.565223] entry_SYSCALL_64_after_hwframe+0x4b/0x53\n [ 745.565725] RIP: 0033:0x7f1579b1288b"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "3ef14e463f6ed0218710f56b97e1a7d0448784d2",
"version_value": "db84cb4c8c565e6d4de84b23c2818b63991adfdd"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "5.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.12",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.123",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.80",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.11.6",
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/db84cb4c8c565e6d4de84b23c2818b63991adfdd",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/db84cb4c8c565e6d4de84b23c2818b63991adfdd"
},
{
"url": "https://git.kernel.org/stable/c/d6fe973c8873c998734a050f366b28facc03d32a",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/d6fe973c8873c998734a050f366b28facc03d32a"
},
{
"url": "https://git.kernel.org/stable/c/3955b77494c3c7d14873b1db67e7e00c46a714db",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/3955b77494c3c7d14873b1db67e7e00c46a714db"
},
{
"url": "https://git.kernel.org/stable/c/4dbc1d1a9f39c3711ad2a40addca04d07d9ab5d0",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/4dbc1d1a9f39c3711ad2a40addca04d07d9ab5d0"
}
]
},
"generator": {
"engine": "bippy-5f407fcff5a0"
}
}