{"id":"CVE-2024-50040","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Do not bring the device up after non-fatal error\n\nCommit 004d25060c78 (\"igb: Fix igb_down hung on surprise removal\")\nchanged igb_io_error_detected() to ignore non-…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Do not bring the device up after non-fatal error\n\nCommit 004d25060c78 (\"igb: Fix igb_down hung on surprise removal\")\nchanged igb_io_error_detected() to ignore non-…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.14.322, < 4.15","linux_kernel >= 4.19.291, < 4.20","linux_kernel >= 5.4.251, < 5.5","linux_kernel >= 5.10.188, < 5.10.227","linux_kernel >= 5.15.150, < 5.15.168","linux_kernel >= 6.1.42, < 6.1.113","linux_kernel >= 6.4.7, < 6.5","linux_kernel >= 6.5, < 6.6.57","linux_kernel >= 6.7, < 6.11.4","linux_kernel = 6.12"],"patched":["linux_kernel 6.11.4"],"published":"2024-10-21","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:19:05.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-50040","references":[{"url":"https://git.kernel.org/stable/c/0a94079e3841d00ea5abb05e3233d019a86745f6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/330a699ecbfc9c26ec92c6310686da1230b4e7eb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/500be93c5d53b7e2c5314292012185f0207bad0c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/57c5053eaa5f9a8a99e34732e37a86615318e464","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6a39c8f5c8aae74c5ab2ba466791f59ffaab0178","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c92cbd283ddcf55fd85a9a9b0ba13298213f3dd7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d79af3af2f49c6aae9add3d492c04d60c1b85ce4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/dca2ca65a8695d9593e2cf1b40848e073ad75413","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00258,"epssPercentile":0.17431,"ingestedAt":"2026-10-15T03:30:12.761Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T13:24:54.389339Z"},"slug":"CVE-2024-50040","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nigb: Do not bring the device up after non-fatal error\n\nCommit 004d25060c78 (\"igb: Fix igb_down hung on surprise removal\")\nchanged igb_io_error_detected() to ignore non-fatal pcie errors in order\nto avoid hung task that can happen when igb_down() is called multiple\ntimes. This caused an issue when processing transient non-fatal errors.\nigb_io_resume(), which is called after igb_io_error_detected(), assumes\nthat device is brought down by igb_io_error_detected() if the interface\nis up. This resulted in panic with stacktrace below.\n\n[ T3256] igb 0000:09:00.0 haeth0: igb: haeth0 NIC Link is Down\n[  T292] pcieport 0000:00:1c.5: AER: Uncorrected (Non-Fatal) error received: 0000:09:00.0\n[  T292] igb 0000:09:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, (Requester ID)\n[  T292] igb 0000:09:00.0:   device [8086:1537] error status/mask=00004000/00000000\n[  T292] igb 0000:09:00.0:    [14] CmpltTO [  200.105524,009][  T292] igb 0000:09:00.0: AER:   TLP Header: 00000000 00000000 00000000 00000000\n[  T292] pcieport 0000:00:1c.5: AER: broadcast error_detected message\n[  T292] igb 0000:09:00.0: Non-correctable non-fatal error reported.\n[  T292] pcieport 0000:00:1c.5: AER: broadcast mmio_enabled message\n[  T292] pcieport 0000:00:1c.5: AER: broadcast resume message\n[  T292] ------------[ cut here ]------------\n[  T292] kernel BUG at net/core/dev.c:6539!\n[  T292] invalid opcode: 0000 [#1] PREEMPT SMP\n[  T292] RIP: 0010:napi_enable+0x37/0x40\n[  T292] Call Trace:\n[  T292]  <TASK>\n[  T292]  ? die+0x33/0x90\n[  T292]  ? do_trap+0xdc/0x110\n[  T292]  ? napi_enable+0x37/0x40\n[  T292]  ? do_error_trap+0x70/0xb0\n[  T292]  ? napi_enable+0x37/0x40\n[  T292]  ? napi_enable+0x37/0x40\n[  T292]  ? exc_invalid_op+0x4e/0x70\n[  T292]  ? napi_enable+0x37/0x40\n[  T292]  ? asm_exc_invalid_op+0x16/0x20\n[  T292]  ? napi_enable+0x37/0x40\n[  T292]  igb_up+0x41/0x150\n[  T292]  igb_io_resume+0x25/0x70\n[  T292]  report_resume+0x54/0x70\n[  T292]  ? report_frozen_detected+0x20/0x20\n[  T292]  pci_walk_bus+0x6c/0x90\n[  T292]  ? aer_print_port_info+0xa0/0xa0\n[  T292]  pcie_do_recovery+0x22f/0x380\n[  T292]  aer_process_err_devices+0x110/0x160\n[  T292]  aer_isr+0x1c1/0x1e0\n[  T292]  ? disable_irq_nosync+0x10/0x10\n[  T292]  irq_thread_fn+0x1a/0x60\n[  T292]  irq_thread+0xe3/0x1a0\n[  T292]  ? irq_set_affinity_notifier+0x120/0x120\n[  T292]  ? irq_affinity_notify+0x100/0x100\n[  T292]  kthread+0xe2/0x110\n[  T292]  ? kthread_complete_and_exit+0x20/0x20\n[  T292]  ret_from_fork+0x2d/0x50\n[  T292]  ? kthread_complete_and_exit+0x20/0x20\n[  T292]  ret_from_fork_asm+0x11/0x20\n[  T292]  </TASK>\n\nTo fix this issue igb_io_resume() checks if the interface is running and\nthe device is not down this means igb_io_error_detected() did not bring\nthe device down and there is no need to bring it up.\n\n## Affected\n\n- `linux_kernel >= 4.14.322, < 4.15`\n- `linux_kernel >= 4.19.291, < 4.20`\n- `linux_kernel >= 5.4.251, < 5.5`\n- `linux_kernel >= 5.10.188, < 5.10.227`\n- `linux_kernel >= 5.15.150, < 5.15.168`\n- `linux_kernel >= 6.1.42, < 6.1.113`\n- `linux_kernel >= 6.4.7, < 6.5`\n- `linux_kernel >= 6.5, < 6.6.57`\n- `linux_kernel >= 6.7, < 6.11.4`\n- `linux_kernel = 6.12`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.4`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}