{"id":"CVE-2026-98363","revision":"c5da2644721f4179b42d906345fa1418","records":[{"revision":"c5da2644721f4179b42d906345fa1418","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98363","aliases":[],"title":"firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS\n\nscpi_dvfs_get_info() already rejected a zero opp_count, but still trusted\nany larger value from the SCP firmware. The shared-memory reply only holds\nMAX_DVFS_OPPS entries in buf.opps[]; a bigger count over-reads that array\nand then sizes the allocated OPP table incorrectly (garbage OPPs / OOB).\nThe missing upper bound dates back to the original SCPI DVFS support.\n\nReject zero and out-of-range counts in one check and return -EINVAL.","state":0,"publishedAt":"2026-10-06T08:46:49.235+00:00","modifiedAt":"2026-10-19T09:18:15.202+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_scpi.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"e9887eeaa138c6b5697af3d2f7c71dc82407b154\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"1aadbef648e92ca642125f188f99b0a26628e3ba\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"7daaa684097377b66b98a832de307688a7f3bbc7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"f17865332cc4ceaac846bcd7c28badbaedfabeff\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"69ec03cd481973e4be44a7158ed6c0fa06a9a5f9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"cc563a59aded6f3b02d75dcc3c0bc5e90755d99e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8cb7cf56c9fe5412de238465b27ef35b4d2801aa\",\n                            \"lessThan\": \"32471d84a487c7fd74532bc96be56f8028cf4a3f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\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_scpi.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\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\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.54\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/e9887eeaa138c6b5697af3d2f7c71dc82407b154","https://git.kernel.org/stable/c/1aadbef648e92ca642125f188f99b0a26628e3ba","https://git.kernel.org/stable/c/7daaa684097377b66b98a832de307688a7f3bbc7","https://git.kernel.org/stable/c/f17865332cc4ceaac846bcd7c28badbaedfabeff","https://git.kernel.org/stable/c/0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901","https://git.kernel.org/stable/c/69ec03cd481973e4be44a7158ed6c0fa06a9a5f9","https://git.kernel.org/stable/c/cc563a59aded6f3b02d75dcc3c0bc5e90755d99e","https://git.kernel.org/stable/c/32471d84a487c7fd74532bc96be56f8028cf4a3f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98363","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98363","identifiers":["CVE-2026-98363"]},"retained":false,"historicalAffected":[]}],"coverage":[]}