{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.10.46-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.10.46-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.10.46-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  net:sfc: fix non-freed irq in legacy irq mode  SFC driver can be configured via modparam to work using MSI-X, MSI or legacy IRQ interrupts. In the last one, the interrupt was not properly released on module remove.  It was not freed because the flag irqs_hooked was not set during initialization in the case of using legacy IRQ.  Example of (trimmed) trace during module remove without this fix:  remove_proc_entry: removing non-empty directory 'irq/125', leaking at least '0000:3b:00.1' WARNING: CPU: 39 PID: 3658 at fs/proc/generic.c:715 remove_proc_entry+0x15c/0x170 ...trimmed... Call Trace:  unregister_irq_proc+0xe3/0x100  free_desc+0x29/0x70  irq_free_descs+0x47/0x70  mp_unmap_irq+0x58/0x60  acpi_unregister_gsi_ioapic+0x2a/0x40  acpi_pci_irq_disable+0x78/0xb0  pci_disable_device+0xd1/0x100  efx_pci_remove+0xa1/0x1e0 [sfc]  pci_device_remove+0x38/0xa0  __device_release_driver+0x177/0x230  driver_detach+0xcb/0x110  bus_remove_driver+0x58/0xd0  pci_unregister_driver+0x2a/0xb0  efx_exit_module+0x24/0xf40 [sfc]  __do_sys_delete_module.constprop.0+0x171/0x280  ? exit_to_user_mode_prepare+0x83/0x1d0  do_syscall_64+0x3d/0x80  entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9f9385800b ...trimmed...",
  "id": "DEBIAN-CVE-2021-47283",
  "modified": "2026-09-01T19:48:45.180669184Z",
  "published": "2024-05-21T15:15:16.503Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2021-47283"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2021-47283"
  ]
}