{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43479", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.012Z", "datePublished": "2026-05-13T15:08:27.932Z", "dateUpdated": "2026-05-13T15:08:27.932Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-13T15:08:27.932Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: lan78xx: fix WARN in __netif_napi_del_locked on disconnect\n\nRemove redundant netif_napi_del() call from disconnect path.\n\nA WARN may be triggered in __netif_napi_del_locked() during USB device\ndisconnect:\n\n WARNING: CPU: 0 PID: 11 at net/core/dev.c:7417 __netif_napi_del_locked+0x2b4/0x350\n\nThis happens because netif_napi_del() is called in the disconnect path while\nNAPI is still enabled. However, it is not necessary to call netif_napi_del()\nexplicitly, since unregister_netdev() will handle NAPI teardown automatically\nand safely. Removing the redundant call avoids triggering the warning.\n\nFull trace:\n lan78xx 1-1:1.0 enu1: Failed to read register index 0x000000c4. ret = -ENODEV\n lan78xx 1-1:1.0 enu1: Failed to set MAC down with error -ENODEV\n lan78xx 1-1:1.0 enu1: Link is Down\n lan78xx 1-1:1.0 enu1: Failed to read register index 0x00000120. ret = -ENODEV\n ------------[ cut here ]------------\n WARNING: CPU: 0 PID: 11 at net/core/dev.c:7417 __netif_napi_del_locked+0x2b4/0x350\n Modules linked in: flexcan can_dev fuse\n CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted 6.16.0-rc2-00624-ge926949dab03 #9 PREEMPT\n Hardware name: SKOV IMX8MP CPU revC - bd500 (DT)\n Workqueue: usb_hub_wq hub_event\n pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : __netif_napi_del_locked+0x2b4/0x350\n lr : __netif_napi_del_locked+0x7c/0x350\n sp : ffffffc085b673c0\n x29: ffffffc085b673c0 x28: ffffff800b7f2000 x27: ffffff800b7f20d8\n x26: ffffff80110bcf58 x25: ffffff80110bd978 x24: 1ffffff0022179eb\n x23: ffffff80110bc000 x22: ffffff800b7f5000 x21: ffffff80110bc000\n x20: ffffff80110bcf38 x19: ffffff80110bcf28 x18: dfffffc000000000\n x17: ffffffc081578940 x16: ffffffc08284cee0 x15: 0000000000000028\n x14: 0000000000000006 x13: 0000000000040000 x12: ffffffb0022179e8\n x11: 1ffffff0022179e7 x10: ffffffb0022179e7 x9 : dfffffc000000000\n x8 : 0000004ffdde8619 x7 : ffffff80110bcf3f x6 : 0000000000000001\n x5 : ffffff80110bcf38 x4 : ffffff80110bcf38 x3 : 0000000000000000\n x2 : 0000000000000000 x1 : 1ffffff0022179e7 x0 : 0000000000000000\n Call trace:\n __netif_napi_del_locked+0x2b4/0x350 (P)\n lan78xx_disconnect+0xf4/0x360\n usb_unbind_interface+0x158/0x718\n device_remove+0x100/0x150\n device_release_driver_internal+0x308/0x478\n device_release_driver+0x1c/0x30\n bus_remove_device+0x1a8/0x368\n device_del+0x2e0/0x7b0\n usb_disable_device+0x244/0x540\n usb_disconnect+0x220/0x758\n hub_event+0x105c/0x35e0\n process_one_work+0x760/0x17b0\n worker_thread+0x768/0xce8\n kthread+0x3bc/0x690\n ret_from_fork+0x10/0x20\n irq event stamp: 211604\n hardirqs last enabled at (211603): [<ffffffc0828cc9ec>] _raw_spin_unlock_irqrestore+0x84/0x98\n hardirqs last disabled at (211604): [<ffffffc0828a9a84>] el1_dbg+0x24/0x80\n softirqs last enabled at (211296): [<ffffffc080095f10>] handle_softirqs+0x820/0xbc8\n softirqs last disabled at (210993): [<ffffffc080010288>] __do_softirq+0x18/0x20\n ---[ end trace 0000000000000000 ]---\n lan78xx 1-1:1.0 enu1: failed to kill vid 0081/0"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/usb/lan78xx.c"], "versions": [{"version": "e110bc82589752909e283ba5cbc160e0ab56c085", "lessThan": "20ce2bd1c1848414c5d3520d301ed3f5751ed634", "status": "affected", "versionType": "git"}, {"version": "e110bc82589752909e283ba5cbc160e0ab56c085", "lessThan": "395a8b903738511f536c97c427e15ef038e1a11c", "status": "affected", "versionType": "git"}, {"version": "e110bc82589752909e283ba5cbc160e0ab56c085", "lessThan": "312c816c6bc30342bc30dca0d6db617ab4d3ae4e", "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/usb/lan78xx.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.17", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/20ce2bd1c1848414c5d3520d301ed3f5751ed634"}, {"url": "https://git.kernel.org/stable/c/395a8b903738511f536c97c427e15ef038e1a11c"}, {"url": "https://git.kernel.org/stable/c/312c816c6bc30342bc30dca0d6db617ab4d3ae4e"}], "title": "net: usb: lan78xx: fix WARN in __netif_napi_del_locked on disconnect", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: lan78xx: fix WARN in __netif_napi_del_locked on disconnect\n\nRemove redundant netif_napi_del() call from disconnect path.\n\nA WARN may be triggered in __netif_napi_del_locked() during USB device\ndisconnect:\n\n WARNING: CPU: 0 PID: 11 at net/core/dev.c:7417 __netif_napi_del_locked+0x2b4/0x350\n\nThis happens because netif_napi_del() is called in the disconnect path while\nNAPI is still enabled. However, it is not necessary to call netif_napi_del()\nexplicitly, since unregister_netdev() will handle NAPI teardown automatically\nand safely. Removing the redundant call avoids triggering the warning.\n\nFull trace:\n lan78xx 1-1:1.0 enu1: Failed to read register index 0x000000c4. ret = -ENODEV\n lan78xx 1-1:1.0 enu1: Failed to set MAC down with error -ENODEV\n lan78xx 1-1:1.0 enu1: Link is Down\n lan78xx 1-1:1.0 enu1: Failed to read register index 0x00000120. ret = -ENODEV\n ------------[ cut here ]------------\n WARNING: CPU: 0 PID: 11 at net/core/dev.c:7417 __netif_napi_del_locked+0x2b4/0x350\n Modules linked in: flexcan can_dev fuse\n CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted 6.16.0-rc2-00624-ge926949dab03 #9 PREEMPT\n Hardware name: SKOV IMX8MP CPU revC - bd500 (DT)\n Workqueue: usb_hub_wq hub_event\n pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : __netif_napi_del_locked+0x2b4/0x350\n lr : __netif_napi_del_locked+0x7c/0x350\n sp : ffffffc085b673c0\n x29: ffffffc085b673c0 x28: ffffff800b7f2000 x27: ffffff800b7f20d8\n x26: ffffff80110bcf58 x25: ffffff80110bd978 x24: 1ffffff0022179eb\n x23: ffffff80110bc000 x22: ffffff800b7f5000 x21: ffffff80110bc000\n x20: ffffff80110bcf38 x19: ffffff80110bcf28 x18: dfffffc000000000\n x17: ffffffc081578940 x16: ffffffc08284cee0 x15: 0000000000000028\n x14: 0000000000000006 x13: 0000000000040000 x12: ffffffb0022179e8\n x11: 1ffffff0022179e7 x10: ffffffb0022179e7 x9 : dfffffc000000000\n x8 : 0000004ffdde8619 x7 : ffffff80110bcf3f x6 : 0000000000000001\n x5 : ffffff80110bcf38 x4 : ffffff80110bcf38 x3 : 0000000000000000\n x2 : 0000000000000000 x1 : 1ffffff0022179e7 x0 : 0000000000000000\n Call trace:\n __netif_napi_del_locked+0x2b4/0x350 (P)\n lan78xx_disconnect+0xf4/0x360\n usb_unbind_interface+0x158/0x718\n device_remove+0x100/0x150\n device_release_driver_internal+0x308/0x478\n device_release_driver+0x1c/0x30\n bus_remove_device+0x1a8/0x368\n device_del+0x2e0/0x7b0\n usb_disable_device+0x244/0x540\n usb_disconnect+0x220/0x758\n hub_event+0x105c/0x35e0\n process_one_work+0x760/0x17b0\n worker_thread+0x768/0xce8\n kthread+0x3bc/0x690\n ret_from_fork+0x10/0x20\n irq event stamp: 211604\n hardirqs last enabled at (211603): [<ffffffc0828cc9ec>] _raw_spin_unlock_irqrestore+0x84/0x98\n hardirqs last disabled at (211604): [<ffffffc0828a9a84>] el1_dbg+0x24/0x80\n softirqs last enabled at (211296): [<ffffffc080095f10>] handle_softirqs+0x820/0xbc8\n softirqs last disabled at (210993): [<ffffffc080010288>] __do_softirq+0x18/0x20\n ---[ end trace 0000000000000000 ]---\n lan78xx 1-1:1.0 enu1: failed to kill vid 0081/0"}], "id": "CVE-2026-43479", "lastModified": "2026-05-13T16:16:51.040", "metrics": {}, "published": "2026-05-13T16:16:51.040", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/20ce2bd1c1848414c5d3520d301ed3f5751ed634"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/312c816c6bc30342bc30dca0d6db617ab4d3ae4e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/395a8b903738511f536c97c427e15ef038e1a11c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e110bc82589752909e283ba5cbc160e0ab56c085,20ce2bd1c1848414c5d3520d301ed3f5751ed634)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e110bc82589752909e283ba5cbc160e0ab56c085,395a8b903738511f536c97c427e15ef038e1a11c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e110bc82589752909e283ba5cbc160e0ab56c085,312c816c6bc30342bc30dca0d6db617ab4d3ae4e)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.19,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.9,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-13T17:15:26.389720+00:00", "updated": "2026-05-13T18:30:46.205843+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-398"]}