{"id":"CVE-2026-98363","summary":"firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS","details":"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.","modified":"2026-10-08T02:52:58.330797888Z","published":"2026-10-06T08:46:49.235Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98363.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1aadbef648e92ca642125f188f99b0a26628e3ba"},{"type":"WEB","url":"https://git.kernel.org/stable/c/32471d84a487c7fd74532bc96be56f8028cf4a3f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/69ec03cd481973e4be44a7158ed6c0fa06a9a5f9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7daaa684097377b66b98a832de307688a7f3bbc7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cc563a59aded6f3b02d75dcc3c0bc5e90755d99e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e9887eeaa138c6b5697af3d2f7c71dc82407b154"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f17865332cc4ceaac846bcd7c28badbaedfabeff"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98363.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98363"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8cb7cf56c9fe5412de238465b27ef35b4d2801aa"},{"fixed":"e9887eeaa138c6b5697af3d2f7c71dc82407b154"},{"fixed":"1aadbef648e92ca642125f188f99b0a26628e3ba"},{"fixed":"7daaa684097377b66b98a832de307688a7f3bbc7"},{"fixed":"f17865332cc4ceaac846bcd7c28badbaedfabeff"},{"fixed":"0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901"},{"fixed":"69ec03cd481973e4be44a7158ed6c0fa06a9a5f9"},{"fixed":"cc563a59aded6f3b02d75dcc3c0bc5e90755d99e"},{"fixed":"32471d84a487c7fd74532bc96be56f8028cf4a3f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98363.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"5.10.271"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.222"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.189"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.112"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.54"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98363.json"}}],"schema_version":"1.9.0"}