{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-26891", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Don't issue ATS Invalidation request when device is disconnected\n\nFor those endpoint devices connect to system via hotplug capable ports,\nusers could request a hot reset to the device by flapping device's link\nthrough setting the slot's link control register, as pciehp_ist() DLLSC\ninterrupt sequence response, pciehp will unload the device driver and\nthen power it off. thus cause an IOMMU device-TLB invalidation (Intel\nVT-d spec, or ATS Invalidation in PCIe spec r6.1) request for non-existence\ntarget device to be sent and deadly loop to retry that request after ITE\nfault triggered in interrupt context.\n\nThat would cause following continuous hard lockup warning and system hang\n\n[ 4211.433662] pcieport 0000:17:01.0: pciehp: Slot(108): Link Down\n[ 4211.433664] pcieport 0000:17:01.0: pciehp: Slot(108): Card not present\n[ 4223.822591] NMI watchdog: Watchdog detected hard LOCKUP on cpu 144\n[ 4223.822622] CPU: 144 PID: 1422 Comm: irq/57-pciehp Kdump: loaded Tainted: G S\n OE kernel version xxxx\n[ 4223.822623] Hardware name: vendorname xxxx 666-106,\nBIOS 01.01.02.03.01 05/15/2023\n[ 4223.822623] RIP: 0010:qi_submit_sync+0x2c0/0x490\n[ 4223.822624] Code: 48 be 00 00 00 00 00 08 00 00 49 85 74 24 20 0f 95 c1 48 8b\n 57 10 83 c1 04 83 3c 1a 03 0f 84 a2 01 00 00 49 8b 04 24 8b 70 34 <40> f6 c6 1\n0 74 17 49 8b 04 24 8b 80 80 00 00 00 89 c2 d3 fa 41 39\n[ 4223.822624] RSP: 0018:ffffc4f074f0bbb8 EFLAGS: 00000093\n[ 4223.822625] RAX: ffffc4f040059000 RBX: 0000000000000014 RCX: 0000000000000005\n[ 4223.822625] RDX: ffff9f3841315800 RSI: 0000000000000000 RDI: ffff9f38401a8340\n[ 4223.822625] RBP: ffff9f38401a8340 R08: ffffc4f074f0bc00 R09: 0000000000000000\n[ 4223.822626] R10: 0000000000000010 R11: 0000000000000018 R12: ffff9f384005e200\n[ 4223.822626] R13: 0000000000000004 R14: 0000000000000046 R15: 0000000000000004\n[ 4223.822626] FS: 0000000000000000(0000) GS:ffffa237ae400000(0000)\nknlGS:0000000000000000\n[ 4223.822627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 4223.822627] CR2: 00007ffe86515d80 CR3: 000002fd3000a001 CR4: 0000000000770ee0\n[ 4223.822627] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 4223.822628] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\n[ 4223.822628] PKRU: 55555554\n[ 4223.822628] Call Trace:\n[ 4223.822628] qi_flush_dev_iotlb+0xb1/0xd0\n[ 4223.822628] __dmar_remove_one_dev_info+0x224/0x250\n[ 4223.822629] dmar_remove_one_dev_info+0x3e/0x50\n[ 4223.822629] intel_iommu_release_device+0x1f/0x30\n[ 4223.822629] iommu_release_device+0x33/0x60\n[ 4223.822629] iommu_bus_notifier+0x7f/0x90\n[ 4223.822630] blocking_notifier_call_chain+0x60/0x90\n[ 4223.822630] device_del+0x2e5/0x420\n[ 4223.822630] pci_remove_bus_device+0x70/0x110\n[ 4223.822630] pciehp_unconfigure_device+0x7c/0x130\n[ 4223.822631] pciehp_disable_slot+0x6b/0x100\n[ 4223.822631] pciehp_handle_presence_or_link_change+0xd8/0x320\n[ 4223.822631] pciehp_ist+0x176/0x180\n[ 4223.822631] ? irq_finalize_oneshot.part.50+0x110/0x110\n[ 4223.822632] irq_thread_fn+0x19/0x50\n[ 4223.822632] irq_thread+0x104/0x190\n[ 4223.822632] ? irq_forced_thread_fn+0x90/0x90\n[ 4223.822632] ? irq_thread_check_affinity+0xe0/0xe0\n[ 4223.822633] kthread+0x114/0x130\n[ 4223.822633] ? __kthread_cancel_work+0x40/0x40\n[ 4223.822633] ret_from_fork+0x1f/0x30\n[ 4223.822633] Kernel panic - not syncing: Hard LOCKUP\n[ 4223.822634] CPU: 144 PID: 1422 Comm: irq/57-pciehp Kdump: loaded Tainted: G S\n OE kernel version xxxx\n[ 4223.822634] Hardware name: vendorname xxxx 666-106,\nBIOS 01.01.02.03.01 05/15/2023\n[ 4223.822634] Call Trace:\n[ 4223.822634] \n[ 4223.822635] dump_stack+0x6d/0x88\n[ 4223.822635] panic+0x101/0x2d0\n[ 4223.822635] ? ret_from_fork+0x11/0x30\n[ 4223.822635] nmi_panic.cold.14+0xc/0xc\n[ 4223.822636] watchdog_overflow_callback.cold.8+0x6d/0x81\n[ 4223.822636] __perf_event_overflow+0x4f/0xf0\n[ 4223.822636] handle_pmi_common\n---truncated---" } ] }, "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": "6f7db75e1c46", "version_value": "f873b85ec762" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "5.0", "status": "affected" }, { "version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.214", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.153", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.83", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.23", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.11", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.2", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/f873b85ec762c5a6abe94a7ddb31df5d3ba07d85", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f873b85ec762c5a6abe94a7ddb31df5d3ba07d85" }, { "url": "https://git.kernel.org/stable/c/d70f1c85113cd8c2aa8373f491ca5d1b22ec0554", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d70f1c85113cd8c2aa8373f491ca5d1b22ec0554" }, { "url": "https://git.kernel.org/stable/c/34a7b30f56d30114bf4d436e4dc793afe326fbcf", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/34a7b30f56d30114bf4d436e4dc793afe326fbcf" }, { "url": "https://git.kernel.org/stable/c/2b74b2a92e524d7c8dec8e02e95ecf18b667c062", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/2b74b2a92e524d7c8dec8e02e95ecf18b667c062" }, { "url": "https://git.kernel.org/stable/c/c04f2780919f20e2cc4846764221f5e802555868", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c04f2780919f20e2cc4846764221f5e802555868" }, { "url": "https://git.kernel.org/stable/c/025bc6b41e020aeb1e71f84ae3ffce945026de05", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/025bc6b41e020aeb1e71f84ae3ffce945026de05" }, { "url": "https://git.kernel.org/stable/c/4fc82cd907ac075648789cc3a00877778aa1838b", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/4fc82cd907ac075648789cc3a00877778aa1838b" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "refsource": "MISC", "name": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html" } ] }, "generator": { "engine": "bippy-a5840b7849dd" } }