{"id":"CVE-2026-98892","revision":null,"records":[{"revision":"5b7a13cb5dc7421495a65163639a1dd4","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-98892","aliases":[],"title":"firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Validate BASE_ERROR_EVENT payload size\n\nBASE_ERROR_EVENT carries a variable number of message reports,\nwith the count encoded in error_status. The notification parser used\nthat count without checking whether the received payload contained all\nreported entries.\n\nReject truncated payloads before copying the report array.","state":0,"publishedAt":"2026-10-23T11:37:52.692+00:00","modifiedAt":"2026-10-23T11:37:52.692+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/base.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n                            \"lessThan\": \"4a754704698017ced0b657c92b468035faad00ed\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n                            \"lessThan\": \"28d65a0a46435d48b96b6943c518095dff1602a1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n                            \"lessThan\": \"890a9c3bf9dae90dcabded9d8e10c708a13779f7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n                            \"lessThan\": \"c0742f23ec13fb6f5e0cd884323467a6c127d3c2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n                            \"lessThan\": \"bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n                            \"lessThan\": \"cb77a50d1114c0c9e084176301a8e094d383edfa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n                            \"lessThan\": \"56e7e64cdd0e7209a58c8ec66028d63387402919\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.10.271\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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/base.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.10.271\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\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/4a754704698017ced0b657c92b468035faad00ed","https://git.kernel.org/stable/c/28d65a0a46435d48b96b6943c518095dff1602a1","https://git.kernel.org/stable/c/890a9c3bf9dae90dcabded9d8e10c708a13779f7","https://git.kernel.org/stable/c/c0742f23ec13fb6f5e0cd884323467a6c127d3c2","https://git.kernel.org/stable/c/bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216","https://git.kernel.org/stable/c/cb77a50d1114c0c9e084176301a8e094d383edfa","https://git.kernel.org/stable/c/56e7e64cdd0e7209a58c8ec66028d63387402919"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98892","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98892","identifiers":["CVE-2026-98892"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-24T10:27:30.8908525+00:00","complete":true,"records":1756,"lastAttemptAt":"2026-10-24T10:27:30.8908525+00:00","lastSuccessAt":"2026-10-24T10:27:31.1285633+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:31.1285641+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-9b3cad78792c7367da03684feab05819ddebc4d137048bdbbdabdbb4d2879391-c6a8234687801ee57ab2aeb77d20947f334a6cc2941ea8b25213d5a7dcebf0ce","complete":true,"records":413884,"lastAttemptAt":"2026-10-24T10:27:30.7016219+00:00","lastSuccessAt":"2026-10-24T10:27:30.6836858+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:30.7016219+00:00","snapshotPublishedAt":"2026-10-24T10:24:24+00:00","importing":false,"stagedRecords":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-24T10:27:30.8908525+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-24T10:27:30.8908525+00:00","lastSuccessAt":"2026-10-24T10:27:31.3689689+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:31.3689698+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0},{"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":"2026-10-24T10:27:30.7587662+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:30.7587662+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0}]}