CVE-2026-74680

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74680", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.925Z", "datePublished": "2026-08-22T15:32:48.230Z", "dateUpdated": "2026-11-06T17:05:51.240Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:32:48.230Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()\n\nIf cxacru_cm() encounters an error while submitting or waiting for snd_urb,\nit aborts and returns the error without killing the already submitted\nrcv_urb. This leaves the rcv_urb active.\n\nWhen this happens during initialization (e.g., in cxacru_atm_start()), the\ndriver may ignore the error and proceed to call cxacru_poll_status(), which\ninvokes cxacru_cm() again. Attempting to submit the still-active rcv_urb\ntriggers a warning in usb_submit_urb():\n\ncxacru 1-1:1.0: send of cm 0x84 failed (-104)\nATM dev 0: cxacru_atm_start: CHIP_ADSL_LINE_START returned -104\n------------[ cut here ]------------\nURB ffff88812658d200 submitted while active\nWARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0\ndrivers/usb/core/urb.c:379\n...\nCall Trace:\n <TASK>\n cxacru_cm+0x21a/0xf10 drivers/usb/atm/cxacru.c:631\n cxacru_cm_get_array drivers/usb/atm/cxacru.c:722 [inline]\n cxacru_poll_status+0x178/0x1110 drivers/usb/atm/cxacru.c:828\n cxacru_atm_start+0x185/0x360 drivers/usb/atm/cxacru.c:814\n usbatm_atm_init+0x144/0x3a0 drivers/usb/atm/usbatm.c:927\n usbatm_usb_probe+0x15cb/0x1db0 drivers/usb/atm/usbatm.c:1178\n cxacru_usb_probe+0x17f/0x220 drivers/usb/atm/cxacru.c:1370\n...\n\nTo fix this, ensure that rcv_urb is properly killed if cxacru_cm() aborts\nearly. We can safely call usb_kill_urb() on rcv_urb in the error path, as\nit is safe to call even if the URB is not active (e.g., if it failed to\nsubmit in the first place, or if it already completed)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/atm/cxacru.c"], "versions": [{"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "6133b461058316e3ccba7331f974d110d4c08b23", "status": "affected", "versionType": "git"}, {"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "61093d7f1144f6a15bac505df35e5f535ade2ac1", "status": "affected", "versionType": "git"}, {"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "645d98dbccdbfdbf0129f48822af7183492de091", "status": "affected", "versionType": "git"}, {"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "993f7677949e3d72e360e86eed1f41c2511f75ed", "status": "affected", "versionType": "git"}, {"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "939b6a41f681aea52af678053072ee443068e93e", "status": "affected", "versionType": "git"}, {"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "2f73a065791d2a8e3f0bdf29248e33600359e865", "status": "affected", "versionType": "git"}, {"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "0af047703dbed8224552587ed436f14a24371b46", "status": "affected", "versionType": "git"}, {"version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "c2f811314be351d86b6ab41e9297ae80d8da6f86", "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/usb/atm/cxacru.c"], "versions": [{"version": "2.6.13", "status": "affected"}, {"version": "0", "lessThan": "2.6.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.265", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.152", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.104", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.45", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "2.6.13", "versionEndExcluding": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.13", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.13", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.13", "versionEndExcluding": "6.6.152"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.13", "versionEndExcluding": "6.12.104"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.13", "versionEndExcluding": "6.18.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.13", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.13", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6133b461058316e3ccba7331f974d110d4c08b23"}, {"url": "https://git.kernel.org/stable/c/61093d7f1144f6a15bac505df35e5f535ade2ac1"}, {"url": "https://git.kernel.org/stable/c/645d98dbccdbfdbf0129f48822af7183492de091"}, {"url": "https://git.kernel.org/stable/c/993f7677949e3d72e360e86eed1f41c2511f75ed"}, {"url": "https://git.kernel.org/stable/c/939b6a41f681aea52af678053072ee443068e93e"}, {"url": "https://git.kernel.org/stable/c/2f73a065791d2a8e3f0bdf29248e33600359e865"}, {"url": "https://git.kernel.org/stable/c/0af047703dbed8224552587ed436f14a24371b46"}, {"url": "https://git.kernel.org/stable/c/c2f811314be351d86b6ab41e9297ae80d8da6f86"}], "title": "usb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-74680", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T17:01:09.846615Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T17:05:51.240Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-74680", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T17:01:09.846615Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T17:01:11.710Z"}}], "cna": {"title": "usb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "6133b461058316e3ccba7331f974d110d4c08b23", "versionType": "git"}, {"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "61093d7f1144f6a15bac505df35e5f535ade2ac1", "versionType": "git"}, {"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "645d98dbccdbfdbf0129f48822af7183492de091", "versionType": "git"}, {"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "993f7677949e3d72e360e86eed1f41c2511f75ed", "versionType": "git"}, {"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "939b6a41f681aea52af678053072ee443068e93e", "versionType": "git"}, {"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "2f73a065791d2a8e3f0bdf29248e33600359e865", "versionType": "git"}, {"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "0af047703dbed8224552587ed436f14a24371b46", "versionType": "git"}, {"status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "lessThan": "c2f811314be351d86b6ab41e9297ae80d8da6f86", "versionType": "git"}], "programFiles": ["drivers/usb/atm/cxacru.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.13"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.13", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.265", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.216", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.183", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.152", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.104", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.45", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.9", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/usb/atm/cxacru.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/6133b461058316e3ccba7331f974d110d4c08b23"}, {"url": "https://git.kernel.org/stable/c/61093d7f1144f6a15bac505df35e5f535ade2ac1"}, {"url": "https://git.kernel.org/stable/c/645d98dbccdbfdbf0129f48822af7183492de091"}, {"url": "https://git.kernel.org/stable/c/993f7677949e3d72e360e86eed1f41c2511f75ed"}, {"url": "https://git.kernel.org/stable/c/939b6a41f681aea52af678053072ee443068e93e"}, {"url": "https://git.kernel.org/stable/c/2f73a065791d2a8e3f0bdf29248e33600359e865"}, {"url": "https://git.kernel.org/stable/c/0af047703dbed8224552587ed436f14a24371b46"}, {"url": "https://git.kernel.org/stable/c/c2f811314be351d86b6ab41e9297ae80d8da6f86"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()\n\nIf cxacru_cm() encounters an error while submitting or waiting for snd_urb,\nit aborts and returns the error without killing the already submitted\nrcv_urb. This leaves the rcv_urb active.\n\nWhen this happens during initialization (e.g., in cxacru_atm_start()), the\ndriver may ignore the error and proceed to call cxacru_poll_status(), which\ninvokes cxacru_cm() again. Attempting to submit the still-active rcv_urb\ntriggers a warning in usb_submit_urb():\n\ncxacru 1-1:1.0: send of cm 0x84 failed (-104)\nATM dev 0: cxacru_atm_start: CHIP_ADSL_LINE_START returned -104\n------------[ cut here ]------------\nURB ffff88812658d200 submitted while active\nWARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0\ndrivers/usb/core/urb.c:379\n...\nCall Trace:\n <TASK>\n cxacru_cm+0x21a/0xf10 drivers/usb/atm/cxacru.c:631\n cxacru_cm_get_array drivers/usb/atm/cxacru.c:722 [inline]\n cxacru_poll_status+0x178/0x1110 drivers/usb/atm/cxacru.c:828\n cxacru_atm_start+0x185/0x360 drivers/usb/atm/cxacru.c:814\n usbatm_atm_init+0x144/0x3a0 drivers/usb/atm/usbatm.c:927\n usbatm_usb_probe+0x15cb/0x1db0 drivers/usb/atm/usbatm.c:1178\n cxacru_usb_probe+0x17f/0x220 drivers/usb/atm/cxacru.c:1370\n...\n\nTo fix this, ensure that rcv_urb is properly killed if cxacru_cm() aborts\nearly. We can safely call usb_kill_urb() on rcv_urb in the error path, as\nit is safe to call even if the URB is not active (e.g., if it failed to\nsubmit in the first place, or if it already completed)."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.265", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.216", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.183", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.152", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.104", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.45", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.9", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "2.6.13"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:32:48.230Z"}}}, "cveMetadata": {"cveId": "CVE-2026-74680", "state": "PUBLISHED", "dateUpdated": "2026-11-06T17:05:51.240Z", "dateReserved": "2026-08-15T05:44:03.925Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-22T15:32:48.230Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/usb/atm/cxacru.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6133b461058316e3ccba7331f974d110d4c08b23", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}, {"lessThan": "61093d7f1144f6a15bac505df35e5f535ade2ac1", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}, {"lessThan": "645d98dbccdbfdbf0129f48822af7183492de091", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}, {"lessThan": "993f7677949e3d72e360e86eed1f41c2511f75ed", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}, {"lessThan": "939b6a41f681aea52af678053072ee443068e93e", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}, {"lessThan": "2f73a065791d2a8e3f0bdf29248e33600359e865", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}, {"lessThan": "0af047703dbed8224552587ed436f14a24371b46", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}, {"lessThan": "c2f811314be351d86b6ab41e9297ae80d8da6f86", "status": "affected", "version": "1b0e614652344a2d39eb336f3dc07651782883bf", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/usb/atm/cxacru.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.13"}, {"lessThan": "2.6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.265", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.216", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.183", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.152", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.104", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.45", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nusb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()\n\nIf cxacru_cm() encounters an error while submitting or waiting for snd_urb,\nit aborts and returns the error without killing the already submitted\nrcv_urb. This leaves the rcv_urb active.\n\nWhen this happens during initialization (e.g., in cxacru_atm_start()), the\ndriver may ignore the error and proceed to call cxacru_poll_status(), which\ninvokes cxacru_cm() again. Attempting to submit the still-active rcv_urb\ntriggers a warning in usb_submit_urb():\n\ncxacru 1-1:1.0: send of cm 0x84 failed (-104)\nATM dev 0: cxacru_atm_start: CHIP_ADSL_LINE_START returned -104\n------------[ cut here ]------------\nURB ffff88812658d200 submitted while active\nWARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0\ndrivers/usb/core/urb.c:379\n...\nCall Trace:\n <TASK>\n cxacru_cm+0x21a/0xf10 drivers/usb/atm/cxacru.c:631\n cxacru_cm_get_array drivers/usb/atm/cxacru.c:722 [inline]\n cxacru_poll_status+0x178/0x1110 drivers/usb/atm/cxacru.c:828\n cxacru_atm_start+0x185/0x360 drivers/usb/atm/cxacru.c:814\n usbatm_atm_init+0x144/0x3a0 drivers/usb/atm/usbatm.c:927\n usbatm_usb_probe+0x15cb/0x1db0 drivers/usb/atm/usbatm.c:1178\n cxacru_usb_probe+0x17f/0x220 drivers/usb/atm/cxacru.c:1370\n...\n\nTo fix this, ensure that rcv_urb is properly killed if cxacru_cm() aborts\nearly. We can safely call usb_kill_urb() on rcv_urb in the error path, as\nit is safe to call even if the URB is not active (e.g., if it failed to\nsubmit in the first place, or if it already completed)."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nusb: atm: cxacru: terminar correctamente rcv_urb en caso de error en cxacru_cm()\n\nSi cxacru_cm() encuentra un error al enviar o esperar por snd_urb, aborta y devuelve el error sin terminar el rcv_urb ya enviado. Esto deja el rcv_urb activo.\n\nCuando esto ocurre durante la inicializaci\u00f3n (p. ej., en cxacru_atm_start()), el controlador puede ignorar el error y proceder a llamar a cxacru_poll_status(), lo que invoca a cxacru_cm() de nuevo. Intentar enviar el rcv_urb a\u00fan activo dispara una advertencia en usb_submit_urb():\n\ncxacru 1-1:1.0: el env\u00edo de cm 0x84 fall\u00f3 (-104)\nATM dev 0: cxacru_atm_start: CHIP_ADSL_LINE_START devolvi\u00f3 -104\n------------[ cortar aqu\u00ed ]------------\nURB ffff88812658d200 enviado mientras est\u00e1 activo\nADVERTENCIA: drivers/usb/core/urb.c:379 en usb_submit_urb+0x79/0x18b0\ndrivers/usb/core/urb.c:379\n...\nTraza de Llamada:\n <TAREA>\n cxacru_cm+0x21a/0xf10 drivers/usb/atm/cxacru.c:631\n cxacru_cm_get_array drivers/usb/atm/cxacru.c:722 [en l\u00ednea]\n cxacru_poll_status+0x178/0x1110 drivers/usb/atm/cxacru.c:828\n cxacru_atm_start+0x185/0x360 drivers/usb/atm/cxacru.c:814\n usbatm_atm_init+0x144/0x3a0 drivers/usb/atm/usbatm.c:927\n usbatm_usb_probe+0x15cb/0x1db0 drivers/usb/atm/usbatm.c:1178\n cxacru_usb_probe+0x17f/0x220 drivers/usb/atm/cxacru.c:1370\n...\n\nPara solucionar esto, aseg\u00farese de que rcv_urb se termine correctamente si cxacru_cm() aborta prematuramente. Podemos llamar de forma segura a usb_kill_urb() en rcv_urb en la ruta de error, ya que es seguro llamarla incluso si el URB no est\u00e1 activo (p. ej., si fall\u00f3 al enviarse en primer lugar, o si ya se complet\u00f3)."}], "id": "CVE-2026-74680", "lastModified": "2026-11-06T17:19:54.323", "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-74680", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T17:01:09.846615Z", "version": "2.0.3"}}]}, "published": "2026-08-22T16:16:42.227", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0af047703dbed8224552587ed436f14a24371b46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f73a065791d2a8e3f0bdf29248e33600359e865"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/61093d7f1144f6a15bac505df35e5f535ade2ac1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6133b461058316e3ccba7331f974d110d4c08b23"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/645d98dbccdbfdbf0129f48822af7183492de091"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/939b6a41f681aea52af678053072ee443068e93e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/993f7677949e3d72e360e86eed1f41c2511f75ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2f811314be351d86b6ab41e9297ae80d8da6f86"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: usb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()", "id": "2521390", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521390"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: atm: cxacru: properly kill rcv_urb on error in cxacru_cm()\nIf cxacru_cm() encounters an error while submitting or waiting for snd_urb,\nit aborts and returns the error without killing the already submitted\nrcv_urb. This leaves the rcv_urb active.\nWhen this happens during initialization (e.g., in cxacru_atm_start()), the\ndriver may ignore the error and proceed to call cxacru_poll_status(), which\ninvokes cxacru_cm() again. Attempting to submit the still-active rcv_urb\ntriggers a warning in usb_submit_urb():\ncxacru 1-1:1.0: send of cm 0x84 failed (-104)\nATM dev 0: cxacru_atm_start: CHIP_ADSL_LINE_START returned -104\n------------[ cut here ]------------\nURB ffff88812658d200 submitted while active\nWARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0\ndrivers/usb/core/urb.c:379\n...\nCall Trace:\n<TASK>\ncxacru_cm+0x21a/0xf10 drivers/usb/atm/cxacru.c:631\ncxacru_cm_get_array drivers/usb/atm/cxacru.c:722 [inline]\ncxacru_poll_status+0x178/0x1110 drivers/usb/atm/cxacru.c:828\ncxacru_atm_start+0x185/0x360 drivers/usb/atm/cxacru.c:814\nusbatm_atm_init+0x144/0x3a0 drivers/usb/atm/usbatm.c:927\nusbatm_usb_probe+0x15cb/0x1db0 drivers/usb/atm/usbatm.c:1178\ncxacru_usb_probe+0x17f/0x220 drivers/usb/atm/cxacru.c:1370\n...\nTo fix this, ensure that rcv_urb is properly killed if cxacru_cm() aborts\nearly. We can safely call usb_kill_urb() on rcv_urb in the error path, as\nit is safe to call even if the URB is not active (e.g., if it failed to\nsubmit in the first place, or if it already completed).", "A flaw was found in the Linux kernel's `cxacru` USB ATM driver. When the `cxacru_cm()` function encounters an error, it fails to properly terminate an already submitted receive USB Request Block (URB). This oversight can lead to the driver attempting to resubmit an active URB, which triggers a warning in the `usb_submit_urb()` function. This issue may result in system instability or unexpected behavior."], "name": "CVE-2026-74680", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74680\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74680\nhttps://lore.kernel.org/linux-cve-announce/2026082231-CVE-2026-74680-526a@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,6133b461058316e3ccba7331f974d110d4c08b23)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,61093d7f1144f6a15bac505df35e5f535ade2ac1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,645d98dbccdbfdbf0129f48822af7183492de091)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,993f7677949e3d72e360e86eed1f41c2511f75ed)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,939b6a41f681aea52af678053072ee443068e93e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,2f73a065791d2a8e3f0bdf29248e33600359e865)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,0af047703dbed8224552587ed436f14a24371b46)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b0e614652344a2d39eb336f3dc07651782883bf,c2f811314be351d86b6ab41e9297ae80d8da6f86)"}}], "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": "2.6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.265,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.216,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.183,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.152,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.104,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.45,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.9,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2,*]"}}], "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": "2026-08-22T18:30:16.838235+00:00", "updated": "2026-08-25T18:00:15.522858+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}