CVE-2026-93080

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93080", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T15:57:05.662Z", "datePublished": "2026-09-17T16:11:01.005Z", "dateUpdated": "2026-10-19T09:05:16.032Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:05:16.032Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix transport device teardown lookup\n\nSCMI transport devices are deliberately excluded from normal SCMI bus\nmatching so protocol drivers cannot bind to the internal transport\nchildren. However, scmi_device_destroy() uses the same protocol/name\nlookup to find devices that must be unregistered during channel teardown.\n\nSplit the match helper so driver matching still skips transport devices,\nwhile explicit child lookup can find them for teardown. Use a shared\ntransport-device name prefix macro for both matching and name generation.\n\nSince transport-device names are derived from direction and protocol ID,\nreject duplicate protocol channel setup before creating or finding a\ntransport device. This prevents malformed firmware with duplicate\nprotocol child nodes from reusing an existing transport device and then\ndestroying it when the duplicate IDR insertion fails."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/firmware/arm_scmi/bus.c", "drivers/firmware/arm_scmi/common.h", "drivers/firmware/arm_scmi/driver.c"], "versions": [{"version": "9593804c44c24545e1b0496786dcb765d7b0e193", "lessThan": "c656427440ea627166394d00c4b72147d5d79c60", "status": "affected", "versionType": "git"}, {"version": "9593804c44c24545e1b0496786dcb765d7b0e193", "lessThan": "4635953b4c1af477e166073521a77de6279f6929", "status": "affected", "versionType": "git"}, {"version": "9593804c44c24545e1b0496786dcb765d7b0e193", "lessThan": "a14dd8fe0a95db638c550ed984cfe2a7428c783d", "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/firmware/arm_scmi/bus.c", "drivers/firmware/arm_scmi/common.h", "drivers/firmware/arm_scmi/driver.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "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": "6.16", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c656427440ea627166394d00c4b72147d5d79c60"}, {"url": "https://git.kernel.org/stable/c/4635953b4c1af477e166073521a77de6279f6929"}, {"url": "https://git.kernel.org/stable/c/a14dd8fe0a95db638c550ed984cfe2a7428c783d"}], "title": "firmware: arm_scmi: Fix transport device teardown lookup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/firmware/arm_scmi/bus.c", "drivers/firmware/arm_scmi/common.h", "drivers/firmware/arm_scmi/driver.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c656427440ea627166394d00c4b72147d5d79c60", "status": "affected", "version": "9593804c44c24545e1b0496786dcb765d7b0e193", "versionType": "git"}, {"lessThan": "4635953b4c1af477e166073521a77de6279f6929", "status": "affected", "version": "9593804c44c24545e1b0496786dcb765d7b0e193", "versionType": "git"}, {"lessThan": "a14dd8fe0a95db638c550ed984cfe2a7428c783d", "status": "affected", "version": "9593804c44c24545e1b0496786dcb765d7b0e193", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/firmware/arm_scmi/bus.c", "drivers/firmware/arm_scmi/common.h", "drivers/firmware/arm_scmi/driver.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.16"}, {"lessThan": "6.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "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\nfirmware: arm_scmi: Fix transport device teardown lookup\n\nSCMI transport devices are deliberately excluded from normal SCMI bus\nmatching so protocol drivers cannot bind to the internal transport\nchildren. However, scmi_device_destroy() uses the same protocol/name\nlookup to find devices that must be unregistered during channel teardown.\n\nSplit the match helper so driver matching still skips transport devices,\nwhile explicit child lookup can find them for teardown. Use a shared\ntransport-device name prefix macro for both matching and name generation.\n\nSince transport-device names are derived from direction and protocol ID,\nreject duplicate protocol channel setup before creating or finding a\ntransport device. This prevents malformed firmware with duplicate\nprotocol child nodes from reusing an existing transport device and then\ndestroying it when the duplicate IDR insertion fails."}], "id": "CVE-2026-93080", "lastModified": "2026-10-19T10:16:57.967", "metrics": {}, "published": "2026-09-17T17:18:01.950", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4635953b4c1af477e166073521a77de6279f6929"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a14dd8fe0a95db638c550ed984cfe2a7428c783d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c656427440ea627166394d00c4b72147d5d79c60"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9593804c44c24545e1b0496786dcb765d7b0e193,c656427440ea627166394d00c4b72147d5d79c60)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9593804c44c24545e1b0496786dcb765d7b0e193,4635953b4c1af477e166073521a77de6279f6929)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9593804c44c24545e1b0496786dcb765d7b0e193,a14dd8fe0a95db638c550ed984cfe2a7428c783d)"}}], "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": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "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": "2026-09-19T06:45:17.072397+00:00", "updated": "2026-09-19T14:00:14.940480+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}