Vulnerability-Lookup

FKIE_CVE-2026-43180

Vulnerability from fkie_nvd - Published: 2026-05-06 12:16 - Updated: 2026-05-12 19:36

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: net: usb: kaweth: remove TX queue manipulation in kaweth_set_rx_mode kaweth_set_rx_mode(), the ndo_set_rx_mode callback, calls netif_stop_queue() and netif_wake_queue(). These are TX queue flow control functions unrelated to RX multicast configuration. The premature netif_wake_queue() can re-enable TX while tx_urb is still in-flight, leading to a double usb_submit_urb() on the same URB: kaweth_start_xmit() { netif_stop_queue(); usb_submit_urb(kaweth->tx_urb); } kaweth_set_rx_mode() { netif_stop_queue(); netif_wake_queue(); // wakes TX queue before URB is done } kaweth_start_xmit() { netif_stop_queue(); usb_submit_urb(kaweth->tx_urb); // URB submitted while active } This triggers the WARN in usb_submit_urb(): "URB submitted while active" This is a similar class of bug fixed in rtl8150 by - commit 958baf5eaee3 ("net: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast"). Also kaweth_set_rx_mode() is already functionally broken, the real set_rx_mode action is performed by kaweth_async_set_rx_mode(), which in turn is not a no-op only at ndo_open() time.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/443a830b1dc4f85c7560da59d4494b629feee215	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/586318c2730433184c6f1d21183e346ddf25e81d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/64868f5ecadeb359a49bc4485bfa7c497047f13a	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8367c0e90126426e60581e4c07e1ec4411a0f843	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9c79b839a63980c7da7ec5db895198045e154112	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a2cd4b4db315a845a5603d08c9d03b11ddfc799d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ef9b10a020503888eb6c8ed85a3d901a624ede4c	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/fc393af769af845d9985e2845e49553d8f015a64	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	7.0

JSON

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}

CVE-2026-43180 (GCVE-0-2026-43180)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-11 22:19

Title

net: usb: kaweth: remove TX queue manipulation in kaweth_set_rx_mode

Summary

Severity ?

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/443a830b1dc4f85c7…
https://git.kernel.org/stable/c/586318c2730433184…
https://git.kernel.org/stable/c/a2cd4b4db315a845a…
https://git.kernel.org/stable/c/ef9b10a020503888e…
https://git.kernel.org/stable/c/9c79b839a63980c7d…
https://git.kernel.org/stable/c/fc393af769af845d9…
https://git.kernel.org/stable/c/8367c0e90126426e6…
https://git.kernel.org/stable/c/64868f5ecadeb359a…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 443a830b1dc4f85c7560da59d4494b629feee215 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 586318c2730433184c6f1d21183e346ddf25e81d (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a2cd4b4db315a845a5603d08c9d03b11ddfc799d (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ef9b10a020503888eb6c8ed85a3d901a624ede4c (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9c79b839a63980c7da7ec5db895198045e154112 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fc393af769af845d9985e2845e49553d8f015a64 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8367c0e90126426e60581e4c07e1ec4411a0f843 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 64868f5ecadeb359a49bc4485bfa7c497047f13a (git)
Linux	Linux	Affected: 2.6.12 Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.10.252 , ≤ 5.10.* (semver) Unaffected: 5.15.202 , ≤ 5.15.* (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: kaweth: remove TX queue manipulation in kaweth_set_rx_mode\n\nkaweth_set_rx_mode(), the ndo_set_rx_mode callback, calls\nnetif_stop_queue() and netif_wake_queue(). These are TX queue flow\ncontrol functions unrelated to RX multicast configuration.\n\nThe premature netif_wake_queue() can re-enable TX while tx_urb is still\nin-flight, leading to a double usb_submit_urb() on the same URB:\n\nkaweth_start_xmit() {\n    netif_stop_queue();\n    usb_submit_urb(kaweth-\u003etx_urb);\n}\n\nkaweth_set_rx_mode() {\n    netif_stop_queue();\n    netif_wake_queue();             // wakes TX queue before URB is done\n}\n\nkaweth_start_xmit() {\n    netif_stop_queue();\n    usb_submit_urb(kaweth-\u003etx_urb); // URB submitted while active\n}\n\nThis triggers the WARN in usb_submit_urb():\n\n  \"URB submitted while active\"\n\nThis is a similar class of bug fixed in rtl8150 by\n\n- commit 958baf5eaee3 (\"net: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast\").\n\nAlso kaweth_set_rx_mode() is already functionally broken, the\nreal set_rx_mode action is performed by kaweth_async_set_rx_mode(),\nwhich in turn is not a no-op only at ndo_open() time."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:19:23.602Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/443a830b1dc4f85c7560da59d4494b629feee215"
        },
        {
          "url": "https://git.kernel.org/stable/c/586318c2730433184c6f1d21183e346ddf25e81d"
        },
        {
          "url": "https://git.kernel.org/stable/c/a2cd4b4db315a845a5603d08c9d03b11ddfc799d"
        },
        {
          "url": "https://git.kernel.org/stable/c/ef9b10a020503888eb6c8ed85a3d901a624ede4c"
        },
        {
          "url": "https://git.kernel.org/stable/c/9c79b839a63980c7da7ec5db895198045e154112"
        },
        {
          "url": "https://git.kernel.org/stable/c/fc393af769af845d9985e2845e49553d8f015a64"
        },
        {
          "url": "https://git.kernel.org/stable/c/8367c0e90126426e60581e4c07e1ec4411a0f843"
        },
        {
          "url": "https://git.kernel.org/stable/c/64868f5ecadeb359a49bc4485bfa7c497047f13a"
        }
      ],
      "title": "net: usb: kaweth: remove TX queue manipulation in kaweth_set_rx_mode",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43180",
    "datePublished": "2026-05-06T11:27:52.983Z",
    "dateReserved": "2026-05-01T14:12:55.991Z",
    "dateUpdated": "2026-05-11T22:19:23.602Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

FKIE_CVE-2026-43180

CVE-2026-43180 (GCVE-0-2026-43180)

Tags

Sightings

Nomenclature