CVE-2024-26820 (GCVE-0-2024-26820)

Vulnerability from cvelistv5 – Published: 2024-04-17 09:43 – Updated: 2026-05-23 15:38
VLAI
Title
hv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed
Summary
In the Linux kernel, the following vulnerability has been resolved: hv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed If hv_netvsc driver is unloaded and reloaded, the NET_DEVICE_REGISTER handler cannot perform VF register successfully as the register call is received before netvsc_probe is finished. This is because we register register_netdevice_notifier() very early( even before vmbus_driver_register()). To fix this, we try to register each such matching VF( if it is visible as a netdevice) at the end of netvsc_probe.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 028aa21f9e92536038cabb834c15d08f5c894382 , < bcb7164258d0a9a8aa2e73ddccc2d78f67d2519d (git)
Affected: 997d895fa495fb3421983923219bba93f1a793ee , < c7441c77c91e47f653104be8353b44a3366a5366 (git)
Affected: ff6c130e48a79c826cbc2427bd8b34a7592460cc , < 5b10a88f64c0315cfdef45de0aaaa4eef57de0b7 (git)
Affected: 97683466e24c801ee4e865ce90ac7e355db2da59 , < b6d46f306b3964d05055ddaa96b58cd8bd3a472c (git)
Affected: 5dd83db613be8e5c5d30efed7f42780e9eb18380 , < 309ef7de5d840e17607e7d65cbf297c0564433ef (git)
Affected: 7350c460f7f48a8653a15c5c90fc9070aaa29535 , < a71302c8638939c45e4ba5a99ea438185fd3f418 (git)
Affected: 85520856466ed6bc3b1ccb013cddac70ceb437db , < 4d29a58d96a78728cb01ee29ed70dc4bd642f135 (git)
Affected: 85520856466ed6bc3b1ccb013cddac70ceb437db , < 9cae43da9867412f8bd09aee5c8a8dc5e8dc3dc2 (git)
Affected: 4.19.301 , < 4.19.310 (semver)
Affected: 5.4.263 , < 5.4.272 (semver)
Affected: 5.10.203 , < 5.10.213 (semver)
Affected: 5.15.141 , < 5.15.152 (semver)
Affected: 6.1.65 , < 6.1.79 (semver)
Affected: 6.6.4 , < 6.6.18 (semver)
Create a notification for this product.
Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 4.19.310 , ≤ 4.19.* (semver)
Unaffected: 5.4.272 , ≤ 5.4.* (semver)
Unaffected: 5.10.213 , ≤ 5.10.* (semver)
Unaffected: 5.15.152 , ≤ 5.15.* (semver)
Unaffected: 6.1.79 , ≤ 6.1.* (semver)
Unaffected: 6.6.18 , ≤ 6.6.* (semver)
Unaffected: 6.7.6 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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This is because we\\nregister register_netdevice_notifier() very early( even before\\nvmbus_driver_register()).\\nTo fix this, we try to register each such matching VF( if it is visible\\nas a netdevice) at the end of netvsc_probe.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: hv_netvsc: registre VF en netvsc_probe si se perdi\u00f3 NET_DEVICE_REGISTER. Si el controlador hv_netvsc se descarga y se vuelve a cargar, el controlador NET_DEVICE_REGISTER no puede realizar el registro VF exitosamente ya que la llamada de registro se recibe antes de que finalice netvsc_probe. Esto se debe a que registramos Register_netdevice_notifier() muy temprano (incluso antes de vmbus_driver_register()). Para solucionar este problema, intentamos registrar cada VF coincidente (si es visible como un dispositivo de red) al final de netvsc_probe.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/hyperv/netvsc_drv.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"028aa21f9e92536038cabb834c15d08f5c894382\",\"lessThan\":\"bcb7164258d0a9a8aa2e73ddccc2d78f67d2519d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"997d895fa495fb3421983923219bba93f1a793ee\",\"lessThan\":\"c7441c77c91e47f653104be8353b44a3366a5366\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ff6c130e48a79c826cbc2427bd8b34a7592460cc\",\"lessThan\":\"5b10a88f64c0315cfdef45de0aaaa4eef57de0b7\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"97683466e24c801ee4e865ce90ac7e355db2da59\",\"lessThan\":\"b6d46f306b3964d05055ddaa96b58cd8bd3a472c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5dd83db613be8e5c5d30efed7f42780e9eb18380\",\"lessThan\":\"309ef7de5d840e17607e7d65cbf297c0564433ef\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7350c460f7f48a8653a15c5c90fc9070aaa29535\",\"lessThan\":\"a71302c8638939c45e4ba5a99ea438185fd3f418\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"85520856466ed6bc3b1ccb013cddac70ceb437db\",\"lessThan\":\"4d29a58d96a78728cb01ee29ed70dc4bd642f135\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"85520856466ed6bc3b1ccb013cddac70ceb437db\",\"lessThan\":\"9cae43da9867412f8bd09aee5c8a8dc5e8dc3dc2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"4.19.301\",\"lessThan\":\"4.19.310\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.4.263\",\"lessThan\":\"5.4.272\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.10.203\",\"lessThan\":\"5.10.213\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.15.141\",\"lessThan\":\"5.15.152\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.1.65\",\"lessThan\":\"6.1.79\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.6.4\",\"lessThan\":\"6.6.18\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/hyperv/netvsc_drv.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.7\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.7\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.310\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.272\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.213\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.152\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.79\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.18\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.7.6\",\"lessThanOrEqual\":\"6.7.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.8\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"SIMATIC 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:38:26+00:00",
      "cve": "CVE-2024-26820",
      "id": "CVE-2024-26820",
      "initial_release_date": "2024-04-17T00:00:00+00:00",
      "product_status:known_affected": "150",
      "product_status:known_not_affected": "48",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: hv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26820.json",
      "version": "3"
    },
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{\"status\": \"unaffected\", \"version\": \"6.7.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/hyperv/netvsc_drv.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/bcb7164258d0a9a8aa2e73ddccc2d78f67d2519d\"}, {\"url\": \"https://git.kernel.org/stable/c/c7441c77c91e47f653104be8353b44a3366a5366\"}, {\"url\": \"https://git.kernel.org/stable/c/5b10a88f64c0315cfdef45de0aaaa4eef57de0b7\"}, {\"url\": \"https://git.kernel.org/stable/c/b6d46f306b3964d05055ddaa96b58cd8bd3a472c\"}, {\"url\": \"https://git.kernel.org/stable/c/309ef7de5d840e17607e7d65cbf297c0564433ef\"}, {\"url\": \"https://git.kernel.org/stable/c/a71302c8638939c45e4ba5a99ea438185fd3f418\"}, {\"url\": \"https://git.kernel.org/stable/c/4d29a58d96a78728cb01ee29ed70dc4bd642f135\"}, {\"url\": \"https://git.kernel.org/stable/c/9cae43da9867412f8bd09aee5c8a8dc5e8dc3dc2\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nhv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed\\n\\nIf hv_netvsc driver is unloaded and reloaded, the NET_DEVICE_REGISTER\\nhandler cannot perform VF register successfully as the register call\\nis received before netvsc_probe is finished. This is because we\\nregister register_netdevice_notifier() very early( even before\\nvmbus_driver_register()).\\nTo fix this, we try to register each such matching VF( if it is visible\\nas a netdevice) at the end of netvsc_probe.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.310\", \"versionStartIncluding\": \"4.19.301\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.272\", \"versionStartIncluding\": \"5.4.263\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.213\", \"versionStartIncluding\": \"5.10.203\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.152\", \"versionStartIncluding\": \"5.15.141\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.79\", \"versionStartIncluding\": \"6.1.65\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.18\", \"versionStartIncluding\": \"6.6.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.6\", \"versionStartIncluding\": \"6.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"6.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:38:25.395Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26820\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:38:25.395Z\", \"dateReserved\": \"2024-02-19T14:20:24.180Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-17T09:43:47.966Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.