{"id":"CVE-2026-98893","revision":null,"records":[{"revision":"61eed72ec64e4f0ca30a59a4912932c1","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-98893","aliases":[],"title":"firmware: arm_scmi: Validate SENSOR_UPDATE payload size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Validate SENSOR_UPDATE payload size\n\nSENSOR_UPDATE carries one or more sensor readings after the fixed\nnotification header. The parser derives the expected reading count\nfrom the sensor description, but it did not verify that the received\npayload contains those entries before parsing them.\n\nReject truncated update notifications before reading the variable\narray.","state":0,"publishedAt":"2026-10-23T11:37:54.017+00:00","modifiedAt":"2026-10-23T11:37:54.017+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/firmware/arm_scmi/sensors.c\"\n ],\n \"versions\": [\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"e543d60f966a5f5c92298720c2fd1810f85a6be3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"87a72e75f7560ea45cd28870194eaa153dd19e75\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"1bbe431fc59704d012660647516f6f94ddd82564\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"c148ff2f5a168e0bc41d801efca6ee35a376cfcb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"767789a58ae0d65ec3028e5b5b4da82210355d00\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"32bc5496b48174dbca1f187f710955ee4d9527a1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.15.222\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.1.189\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.6.158\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.12.111\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.18.53\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/firmware/arm_scmi/sensors.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.15.222\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.189\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.158\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.111\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.53\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/e543d60f966a5f5c92298720c2fd1810f85a6be3","https://git.kernel.org/stable/c/87a72e75f7560ea45cd28870194eaa153dd19e75","https://git.kernel.org/stable/c/1bbe431fc59704d012660647516f6f94ddd82564","https://git.kernel.org/stable/c/c148ff2f5a168e0bc41d801efca6ee35a376cfcb","https://git.kernel.org/stable/c/767789a58ae0d65ec3028e5b5b4da82210355d00","https://git.kernel.org/stable/c/32bc5496b48174dbca1f187f710955ee4d9527a1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98893","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98893","identifiers":["CVE-2026-98893"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-43321610382942b8ad8c85917eab1546","complete":false,"records":4735,"lastAttemptAt":"2026-10-25T11:20:48.0945206+00:00","lastSuccessAt":"2026-10-24T23:18:49.862+00:00","error":"InvalidDataException","lastVerifiedAt":"2026-10-24T23:18:49.862+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":4764,"expectedIdentifiers":13474},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-25T11:19:15.0882977+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-25T11:19:15.0882977+00:00","lastSuccessAt":"2026-10-25T11:19:15.2827432+00:00","error":null,"lastVerifiedAt":"2026-10-25T11:19:15.2827434+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-9e00e3bbdb534a5abbe07c8908a70f7e","complete":false,"records":10949,"lastAttemptAt":"2026-10-25T11:20:45.8706015+00:00","lastSuccessAt":"2026-10-25T10:17:34.322+00:00","error":"TaskCanceledException","lastVerifiedAt":"2026-10-25T10:17:34.322+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":11000,"expectedIdentifiers":13474},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-2375a4e597279abf92e8747e140fe8da9d421877cd49cae3ac69a2cb78469b2c","complete":true,"records":9779,"lastAttemptAt":"2026-10-25T11:19:14.9182346+00:00","lastSuccessAt":"2026-10-24T13:19:53.1346702+00:00","error":null,"lastVerifiedAt":"2026-10-25T11:19:14.9182346+00:00","snapshotPublishedAt":"2026-10-24T03:03:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-16ad89dfea13ab9e9b0108e63a759d63bd4559cc68b58491107d62ee35bbbaf2","complete":true,"records":1965,"lastAttemptAt":"2026-10-25T11:17:15.2334261+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-25T11:17:15.2334261+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-7da67a15aa6e56a0e3081a7646dc74d537e6ef974afc593c2b1794ed01970648","complete":true,"records":2969,"lastAttemptAt":"2026-10-25T11:19:15.0318138+00:00","lastSuccessAt":"2026-10-24T13:19:59.1145547+00:00","error":null,"lastVerifiedAt":"2026-10-25T11:19:15.0318138+00:00","snapshotPublishedAt":"2026-10-24T08:47:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-d376b9c1142ee0d38c4b9f63e3745e6b549bb9051b75d8a1c9162bf1b72e2d87","complete":true,"records":230757,"lastAttemptAt":"2026-10-25T11:19:14.7829658+00:00","lastSuccessAt":"2026-10-25T11:19:13.609085+00:00","error":null,"lastVerifiedAt":"2026-10-25T11:19:14.7829658+00:00","snapshotPublishedAt":"2026-10-25T10:33:09+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null}]}