{"api_version":"1","generated_at":"2026-04-17T10:40:42+00:00","cve":"CVE-2026-23446","urls":{"html":"https://cve.report/CVE-2026-23446","api":"https://cve.report/api/cve/CVE-2026-23446.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23446","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23446"},"summary":{"title":"net: usb: aqc111: Do not perform PM inside suspend callback","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: aqc111: Do not perform PM inside suspend callback\n\nsyzbot reports \"task hung in rpm_resume\"\n\nThis is caused by aqc111_suspend calling\nthe PM variant of its write_cmd routine.\n\nThe simplified call trace looks like this:\n\nrpm_suspend()\n  usb_suspend_both() - here udev->dev.power.runtime_status == RPM_SUSPENDING\n    aqc111_suspend() - called for the usb device interface\n      aqc111_write32_cmd()\n        usb_autopm_get_interface()\n          pm_runtime_resume_and_get()\n            rpm_resume() - here we call rpm_resume() on our parent\n              rpm_resume() - Here we wait for a status change that will never happen.\n\nAt this point we block another task which holds\nrtnl_lock and locks up the whole networking stack.\n\nFix this by replacing the write_cmd calls with their _nopm variants","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-03 16:16:30","updated_at":"2026-04-07 13:21:09"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3267bcb744ee8a2feabaa7ab69473f086f67fd71","name":"https://git.kernel.org/stable/c/3267bcb744ee8a2feabaa7ab69473f086f67fd71","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d3e32a612c6391ca9b7c183aeec22b4fd24c300c","name":"https://git.kernel.org/stable/c/d3e32a612c6391ca9b7c183aeec22b4fd24c300c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/069c8f5aebe4d5224cf62acc7d4b3486091c658a","name":"https://git.kernel.org/stable/c/069c8f5aebe4d5224cf62acc7d4b3486091c658a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4de6a43e8ecf961feabddf0e9d6911081d2ed218","name":"https://git.kernel.org/stable/c/4de6a43e8ecf961feabddf0e9d6911081d2ed218","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/98e8aed64614b0c199d5f0391fbe1a4331cb5773","name":"https://git.kernel.org/stable/c/98e8aed64614b0c199d5f0391fbe1a4331cb5773","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/621f2f43741b51f62d767eb4752fbcefe2526926","name":"https://git.kernel.org/stable/c/621f2f43741b51f62d767eb4752fbcefe2526926","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23446","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23446","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc 621f2f43741b51f62d767eb4752fbcefe2526926 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc 4de6a43e8ecf961feabddf0e9d6911081d2ed218 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc 3267bcb744ee8a2feabaa7ab69473f086f67fd71 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc d3e32a612c6391ca9b7c183aeec22b4fd24c300c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc 98e8aed64614b0c199d5f0391fbe1a4331cb5773 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc 069c8f5aebe4d5224cf62acc7d4b3486091c658a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.167 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.130 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.78 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.20 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.10 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0-rc5 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23446","cve":"CVE-2026-23446","epss":"0.000240000","percentile":"0.066190000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:39"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/usb/aqc111.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"621f2f43741b51f62d767eb4752fbcefe2526926","status":"affected","version":"e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc","versionType":"git"},{"lessThan":"4de6a43e8ecf961feabddf0e9d6911081d2ed218","status":"affected","version":"e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc","versionType":"git"},{"lessThan":"3267bcb744ee8a2feabaa7ab69473f086f67fd71","status":"affected","version":"e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc","versionType":"git"},{"lessThan":"d3e32a612c6391ca9b7c183aeec22b4fd24c300c","status":"affected","version":"e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc","versionType":"git"},{"lessThan":"98e8aed64614b0c199d5f0391fbe1a4331cb5773","status":"affected","version":"e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc","versionType":"git"},{"lessThan":"069c8f5aebe4d5224cf62acc7d4b3486091c658a","status":"affected","version":"e58ba4544c7771591d1e3157bc01b4a8e4d1c3fc","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/usb/aqc111.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.0"},{"lessThan":"5.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.78","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.20","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.10","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0-rc5","versionStartIncluding":"5.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: aqc111: Do not perform PM inside suspend callback\n\nsyzbot reports \"task hung in rpm_resume\"\n\nThis is caused by aqc111_suspend calling\nthe PM variant of its write_cmd routine.\n\nThe simplified call trace looks like this:\n\nrpm_suspend()\n  usb_suspend_both() - here udev->dev.power.runtime_status == RPM_SUSPENDING\n    aqc111_suspend() - called for the usb device interface\n      aqc111_write32_cmd()\n        usb_autopm_get_interface()\n          pm_runtime_resume_and_get()\n            rpm_resume() - here we call rpm_resume() on our parent\n              rpm_resume() - Here we wait for a status change that will never happen.\n\nAt this point we block another task which holds\nrtnl_lock and locks up the whole networking stack.\n\nFix this by replacing the write_cmd calls with their _nopm variants"}],"providerMetadata":{"dateUpdated":"2026-04-03T15:15:29.863Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/621f2f43741b51f62d767eb4752fbcefe2526926"},{"url":"https://git.kernel.org/stable/c/4de6a43e8ecf961feabddf0e9d6911081d2ed218"},{"url":"https://git.kernel.org/stable/c/3267bcb744ee8a2feabaa7ab69473f086f67fd71"},{"url":"https://git.kernel.org/stable/c/d3e32a612c6391ca9b7c183aeec22b4fd24c300c"},{"url":"https://git.kernel.org/stable/c/98e8aed64614b0c199d5f0391fbe1a4331cb5773"},{"url":"https://git.kernel.org/stable/c/069c8f5aebe4d5224cf62acc7d4b3486091c658a"}],"title":"net: usb: aqc111: Do not perform PM inside suspend callback","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23446","datePublished":"2026-04-03T15:15:29.863Z","dateReserved":"2026-01-13T15:37:46.019Z","dateUpdated":"2026-04-03T15:15:29.863Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-03 16:16:30","lastModifiedDate":"2026-04-07 13:21:09","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23446","Ordinal":"1","Title":"net: usb: aqc111: Do not perform PM inside suspend callback","CVE":"CVE-2026-23446","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23446","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: aqc111: Do not perform PM inside suspend callback\n\nsyzbot reports \"task hung in rpm_resume\"\n\nThis is caused by aqc111_suspend calling\nthe PM variant of its write_cmd routine.\n\nThe simplified call trace looks like this:\n\nrpm_suspend()\n  usb_suspend_both() - here udev->dev.power.runtime_status == RPM_SUSPENDING\n    aqc111_suspend() - called for the usb device interface\n      aqc111_write32_cmd()\n        usb_autopm_get_interface()\n          pm_runtime_resume_and_get()\n            rpm_resume() - here we call rpm_resume() on our parent\n              rpm_resume() - Here we wait for a status change that will never happen.\n\nAt this point we block another task which holds\nrtnl_lock and locks up the whole networking stack.\n\nFix this by replacing the write_cmd calls with their _nopm variants","Type":"Description","Title":"net: usb: aqc111: Do not perform PM inside suspend callback"}]}}}