CVE-2026-80815

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80815", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.794Z", "datePublished": "2026-09-04T15:13:35.740Z", "dateUpdated": "2026-10-19T08:44:09.029Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:44:09.029Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: scarlett2: Use a private URB for the notification endpoint\n\nscarlett2_init_notify() used mixer->urb, which\nsnd_usb_mixer_status_create() allocates for the UAC2 status interrupt\nendpoint and mixer.c manages. On a device with that endpoint, the\n\"already in use\" check fires on the status URB and returns 0 for\nsuccess without doing anything. No notification URB is submitted, and\ncmd_done is left zeroed because it is initialised past that check and\nnowhere else. scarlett2_usb_init() then issues SCARLETT2_USB_INIT_1\nand wait_for_completion_timeout() would crash adding to the zeroed\nwait.head.\n\nUse a separate URB in scarlett2_data, as done for FCP, and initialise\ncmd_done in scarlett2_init_private(). mixer.c was also freeing the URB\nin snd_usb_mixer_free() and resubmitting it in\nsnd_usb_mixer_activate(), so scarlett2 must now do both: add\nscarlett2_cleanup_urb(), called from private_free and private_suspend,\nand a private_resume callback to re-establish the URB after resume.\nscarlett2_init_notify() is reached from there, and the URB kill path\nin scarlett2_notify() completes cmd_done, leaving a stale count that\nwould satisfy the next command's wait before the device ACKs. Use\nreinit_completion() to clear it.\n\nAlso free the URB if the transfer buffer allocation fails, and both if\nusb_submit_urb() fails. Move scarlett2_init_notify() up next to\nscarlett2_cleanup_urb() so scarlett2_init_private() can reference it\nwithout a forward declaration."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/mixer.c", "sound/usb/mixer.h", "sound/usb/mixer_scarlett2.c"], "versions": [{"version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "lessThan": "013448eb7b0d0b91d6168685dab10e9b41baa825", "status": "affected", "versionType": "git"}, {"version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "lessThan": "4305e4b52acc0ca67dcfdf8f73dd943dab508ae8", "status": "affected", "versionType": "git"}, {"version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "lessThan": "04df0232a6976845cd9c9e83b6c26215759be667", "status": "affected", "versionType": "git"}, {"version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "lessThan": "ecd2f83a4ddc078901e7104144cb6c5e5db3b7cf", "status": "affected", "versionType": "git"}, {"version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "lessThan": "cd17d6ff7b7d2b1dd9bcc80ae7b4a83773f918c6", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/mixer.c", "sound/usb/mixer.h", "sound/usb/mixer_scarlett2.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.106", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.47", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.11", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.1", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.10", "versionEndExcluding": "6.12.106"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.2.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/013448eb7b0d0b91d6168685dab10e9b41baa825"}, {"url": "https://git.kernel.org/stable/c/4305e4b52acc0ca67dcfdf8f73dd943dab508ae8"}, {"url": "https://git.kernel.org/stable/c/04df0232a6976845cd9c9e83b6c26215759be667"}, {"url": "https://git.kernel.org/stable/c/ecd2f83a4ddc078901e7104144cb6c5e5db3b7cf"}, {"url": "https://git.kernel.org/stable/c/cd17d6ff7b7d2b1dd9bcc80ae7b4a83773f918c6"}], "title": "ALSA: scarlett2: Use a private URB for the notification endpoint", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/usb/mixer.c", "sound/usb/mixer.h", "sound/usb/mixer_scarlett2.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "013448eb7b0d0b91d6168685dab10e9b41baa825", "status": "affected", "version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "versionType": "git"}, {"lessThan": "4305e4b52acc0ca67dcfdf8f73dd943dab508ae8", "status": "affected", "version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "versionType": "git"}, {"lessThan": "04df0232a6976845cd9c9e83b6c26215759be667", "status": "affected", "version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "versionType": "git"}, {"lessThan": "ecd2f83a4ddc078901e7104144cb6c5e5db3b7cf", "status": "affected", "version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "versionType": "git"}, {"lessThan": "cd17d6ff7b7d2b1dd9bcc80ae7b4a83773f918c6", "status": "affected", "version": "1b65088958cadab04d5d34a8615e2466b1b48ecb", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/usb/mixer.c", "sound/usb/mixer.h", "sound/usb/mixer_scarlett2.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.106", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.47", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.11", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.1", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: scarlett2: Use a private URB for the notification endpoint\n\nscarlett2_init_notify() used mixer->urb, which\nsnd_usb_mixer_status_create() allocates for the UAC2 status interrupt\nendpoint and mixer.c manages. On a device with that endpoint, the\n\"already in use\" check fires on the status URB and returns 0 for\nsuccess without doing anything. No notification URB is submitted, and\ncmd_done is left zeroed because it is initialised past that check and\nnowhere else. scarlett2_usb_init() then issues SCARLETT2_USB_INIT_1\nand wait_for_completion_timeout() would crash adding to the zeroed\nwait.head.\n\nUse a separate URB in scarlett2_data, as done for FCP, and initialise\ncmd_done in scarlett2_init_private(). mixer.c was also freeing the URB\nin snd_usb_mixer_free() and resubmitting it in\nsnd_usb_mixer_activate(), so scarlett2 must now do both: add\nscarlett2_cleanup_urb(), called from private_free and private_suspend,\nand a private_resume callback to re-establish the URB after resume.\nscarlett2_init_notify() is reached from there, and the URB kill path\nin scarlett2_notify() completes cmd_done, leaving a stale count that\nwould satisfy the next command's wait before the device ACKs. Use\nreinit_completion() to clear it.\n\nAlso free the URB if the transfer buffer allocation fails, and both if\nusb_submit_urb() fails. Move scarlett2_init_notify() up next to\nscarlett2_cleanup_urb() so scarlett2_init_private() can reference it\nwithout a forward declaration."}], "id": "CVE-2026-80815", "lastModified": "2026-10-19T09:17:16.387", "metrics": {}, "published": "2026-09-04T16:18:09.057", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/013448eb7b0d0b91d6168685dab10e9b41baa825"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/04df0232a6976845cd9c9e83b6c26215759be667"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4305e4b52acc0ca67dcfdf8f73dd943dab508ae8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cd17d6ff7b7d2b1dd9bcc80ae7b4a83773f918c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ecd2f83a4ddc078901e7104144cb6c5e5db3b7cf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b65088958cadab04d5d34a8615e2466b1b48ecb,013448eb7b0d0b91d6168685dab10e9b41baa825)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b65088958cadab04d5d34a8615e2466b1b48ecb,4305e4b52acc0ca67dcfdf8f73dd943dab508ae8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b65088958cadab04d5d34a8615e2466b1b48ecb,04df0232a6976845cd9c9e83b6c26215759be667)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b65088958cadab04d5d34a8615e2466b1b48ecb,ecd2f83a4ddc078901e7104144cb6c5e5db3b7cf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b65088958cadab04d5d34a8615e2466b1b48ecb,cd17d6ff7b7d2b1dd9bcc80ae7b4a83773f918c6)"}}], "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": "generic", "value": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.106,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.47,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.11,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.1,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-04T17:30:17.955794+00:00", "updated": "2026-09-05T00:45:05.326278+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-665", "CWE-416"]}