{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47424", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:58:30.827Z", "datePublished": "2024-05-21T15:04:11.271Z", "dateUpdated": "2026-05-11T13:54:26.099Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:54:26.099Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix freeing of uninitialized misc IRQ vector\n\nWhen VSI set up failed in i40e_probe() as part of PF switch set up\ndriver was trying to free misc IRQ vectors in\ni40e_clear_interrupt_scheme and produced a kernel Oops:\n\n Trying to free already-free IRQ 266\n WARNING: CPU: 0 PID: 5 at kernel/irq/manage.c:1731 __free_irq+0x9a/0x300\n Workqueue: events work_for_cpu_fn\n RIP: 0010:__free_irq+0x9a/0x300\n Call Trace:\n ? synchronize_irq+0x3a/0xa0\n free_irq+0x2e/0x60\n i40e_clear_interrupt_scheme+0x53/0x190 [i40e]\n i40e_probe.part.108+0x134b/0x1a40 [i40e]\n ? kmem_cache_alloc+0x158/0x1c0\n ? acpi_ut_update_ref_count.part.1+0x8e/0x345\n ? acpi_ut_update_object_reference+0x15e/0x1e2\n ? strstr+0x21/0x70\n ? irq_get_irq_data+0xa/0x20\n ? mp_check_pin_attr+0x13/0xc0\n ? irq_get_irq_data+0xa/0x20\n ? mp_map_pin_to_irq+0xd3/0x2f0\n ? acpi_register_gsi_ioapic+0x93/0x170\n ? pci_conf1_read+0xa4/0x100\n ? pci_bus_read_config_word+0x49/0x70\n ? do_pci_enable_device+0xcc/0x100\n local_pci_probe+0x41/0x90\n work_for_cpu_fn+0x16/0x20\n process_one_work+0x1a7/0x360\n worker_thread+0x1cf/0x390\n ? create_worker+0x1a0/0x1a0\n kthread+0x112/0x130\n ? kthread_flush_work_fn+0x10/0x10\n ret_from_fork+0x1f/0x40\n\nThe problem is that at that point misc IRQ vectors\nwere not allocated yet and we get a call trace\nthat driver is trying to free already free IRQ vectors.\n\nAdd a check in i40e_clear_interrupt_scheme for __I40E_MISC_IRQ_REQUESTED\nPF state before calling i40e_free_misc_vector. This state is set only if\nmisc IRQ vectors were properly initialized." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/intel/i40e/i40e_main.c" ], "versions": [ { "version": "c17401a1dd210a5f22ab1ec7c7366037c158a14c", "lessThan": "60ad4cde0ad28921f9ea25b0201c774b95ffa4b4", "status": "affected", "versionType": "git" }, { "version": "c17401a1dd210a5f22ab1ec7c7366037c158a14c", "lessThan": "17063cac4088b8e2fc0f633abddca5426ed58312", "status": "affected", "versionType": "git" }, { "version": "c17401a1dd210a5f22ab1ec7c7366037c158a14c", "lessThan": "97aeed72af4f83ae51534f0a2473ff52f8d66236", "status": "affected", "versionType": "git" }, { "version": "c17401a1dd210a5f22ab1ec7c7366037c158a14c", "lessThan": "75099439209d3cda439a1d9b00d19a50f0066fef", "status": "affected", "versionType": "git" }, { "version": "c17401a1dd210a5f22ab1ec7c7366037c158a14c", "lessThan": "2e5a20573a926302b233b0c2e1077f5debc7ab2e", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/intel/i40e/i40e_main.c" ], "versions": [ { "version": "4.15", "status": "affected" }, { "version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.211", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.153", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.73", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.14.12", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "4.19.211" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.4.153" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.10.73" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.14.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/60ad4cde0ad28921f9ea25b0201c774b95ffa4b4" }, { "url": "https://git.kernel.org/stable/c/17063cac4088b8e2fc0f633abddca5426ed58312" }, { "url": "https://git.kernel.org/stable/c/97aeed72af4f83ae51534f0a2473ff52f8d66236" }, { "url": "https://git.kernel.org/stable/c/75099439209d3cda439a1d9b00d19a50f0066fef" }, { "url": "https://git.kernel.org/stable/c/2e5a20573a926302b233b0c2e1077f5debc7ab2e" } ], "title": "i40e: Fix freeing of uninitialized misc IRQ vector", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-11T17:26:01.019314Z", "id": "CVE-2021-47424", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-11T17:26:22.350Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.004Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/60ad4cde0ad28921f9ea25b0201c774b95ffa4b4", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/17063cac4088b8e2fc0f633abddca5426ed58312", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/97aeed72af4f83ae51534f0a2473ff52f8d66236", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/75099439209d3cda439a1d9b00d19a50f0066fef", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2e5a20573a926302b233b0c2e1077f5debc7ab2e", "tags": [ "x_transferred" ] } ] } ] } }