{"id":"CVE-2026-97427","summary":"drm/amd/pm: bound pp_dpm_set_pp_table() memcpy","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: bound pp_dpm_set_pp_table() memcpy\n\nThe powerplay path allocates hardcode_pp_table once with kmemdup(...,\nsoft_pp_table_size). memcpy(..., size) used the sysfs store count (up to\nPAGE_SIZE) with no upper bound, causing heap overflow. Reject\nwrites where size exceeds soft_pp_table_size.","modified":"2026-09-26T03:48:27.125598376Z","published":"2026-09-24T16:03:40.151Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97427.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3334985f8b4c7c637a829744c81518ad9a671bcb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/43d2ab8408f9f468b232350c74160ae21e763020"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f193e71fa9fab2e68ef85201b106e8f580d3a25b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97427.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97427"},{"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":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a"},{"fixed":"43d2ab8408f9f468b232350c74160ae21e763020"},{"fixed":"3334985f8b4c7c637a829744c81518ad9a671bcb"},{"fixed":"f193e71fa9fab2e68ef85201b106e8f580d3a25b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-97427.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.6.0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.53"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-97427.json"}}],"schema_version":"1.9.0"}