{"api_version":"1","generated_at":"2026-10-15T12:26:17+00:00","cve":"CVE-2026-98363","urls":{"html":"https://cve.report/CVE-2026-98363","api":"https://cve.report/api/cve/CVE-2026-98363.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98363","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98363"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-10-06 09:18:30","updated_at":"2026-10-06 09:18:30"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1aadbef648e92ca642125f188f99b0a26628e3ba","name":"https://git.kernel.org/stable/c/1aadbef648e92ca642125f188f99b0a26628e3ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f17865332cc4ceaac846bcd7c28badbaedfabeff","name":"https://git.kernel.org/stable/c/f17865332cc4ceaac846bcd7c28badbaedfabeff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/32471d84a487c7fd74532bc96be56f8028cf4a3f","name":"https://git.kernel.org/stable/c/32471d84a487c7fd74532bc96be56f8028cf4a3f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e9887eeaa138c6b5697af3d2f7c71dc82407b154","name":"https://git.kernel.org/stable/c/e9887eeaa138c6b5697af3d2f7c71dc82407b154","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7daaa684097377b66b98a832de307688a7f3bbc7","name":"https://git.kernel.org/stable/c/7daaa684097377b66b98a832de307688a7f3bbc7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cc563a59aded6f3b02d75dcc3c0bc5e90755d99e","name":"https://git.kernel.org/stable/c/cc563a59aded6f3b02d75dcc3c0bc5e90755d99e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/69ec03cd481973e4be44a7158ed6c0fa06a9a5f9","name":"https://git.kernel.org/stable/c/69ec03cd481973e4be44a7158ed6c0fa06a9a5f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901","name":"https://git.kernel.org/stable/c/0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98363","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98363","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8cb7cf56c9fe5412de238465b27ef35b4d2801aa e9887eeaa138c6b5697af3d2f7c71dc82407b154 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8cb7cf56c9fe5412de238465b27ef35b4d2801aa 1aadbef648e92ca642125f188f99b0a26628e3ba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8cb7cf56c9fe5412de238465b27ef35b4d2801aa 7daaa684097377b66b98a832de307688a7f3bbc7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8cb7cf56c9fe5412de238465b27ef35b4d2801aa f17865332cc4ceaac846bcd7c28badbaedfabeff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.54 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.8 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98363","cve":"CVE-2026-98363","epss":"0.001720000","percentile":"0.059930000","score_date":"2026-10-06","updated_at":"2026-10-07 00:14:55"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/firmware/arm_scpi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e9887eeaa138c6b5697af3d2f7c71dc82407b154","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"},{"lessThan":"1aadbef648e92ca642125f188f99b0a26628e3ba","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"},{"lessThan":"7daaa684097377b66b98a832de307688a7f3bbc7","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"},{"lessThan":"f17865332cc4ceaac846bcd7c28badbaedfabeff","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"},{"lessThan":"0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"},{"lessThan":"69ec03cd481973e4be44a7158ed6c0fa06a9a5f9","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"},{"lessThan":"cc563a59aded6f3b02d75dcc3c0bc5e90755d99e","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"},{"lessThan":"32471d84a487c7fd74532bc96be56f8028cf4a3f","status":"affected","version":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/firmware/arm_scpi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.4"},{"lessThan":"4.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.54","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.271","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.54","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.8","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc4","versionStartIncluding":"4.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-10-06T08:46:49.235Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e9887eeaa138c6b5697af3d2f7c71dc82407b154"},{"url":"https://git.kernel.org/stable/c/1aadbef648e92ca642125f188f99b0a26628e3ba"},{"url":"https://git.kernel.org/stable/c/7daaa684097377b66b98a832de307688a7f3bbc7"},{"url":"https://git.kernel.org/stable/c/f17865332cc4ceaac846bcd7c28badbaedfabeff"},{"url":"https://git.kernel.org/stable/c/0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901"},{"url":"https://git.kernel.org/stable/c/69ec03cd481973e4be44a7158ed6c0fa06a9a5f9"},{"url":"https://git.kernel.org/stable/c/cc563a59aded6f3b02d75dcc3c0bc5e90755d99e"},{"url":"https://git.kernel.org/stable/c/32471d84a487c7fd74532bc96be56f8028cf4a3f"}],"title":"firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98363","datePublished":"2026-10-06T08:46:49.235Z","dateReserved":"2026-09-25T10:25:14.344Z","dateUpdated":"2026-10-06T08:46:49.235Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 09:18:30","lastModifiedDate":"2026-10-06 09:18:30","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98363","Ordinal":"1","Title":"firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS","CVE":"CVE-2026-98363","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98363","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS"}]}}}