{"id":"CVE-2026-93178","summary":"drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup\n\nvddInd and vddcInd fields from VBIOS-parsed tables are used to index into\nvoltage lookup tables without a bounds check. Return -EINVAL when any\nindex is out of range.","modified":"2026-09-19T03:47:22.805646676Z","published":"2026-09-17T16:12:06.631Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93178.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1664327ce797e09e387dc10cbbaa5b8d76558d2c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3a8a05477cda6c8293e2b629495b42981dcaba32"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6f08c001fa6e8212930d694540ae8d9d6d3fb58a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/745297208d31222f916cc04da313cb737b997935"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ce0d8e72836c9d3710a160ad848b0f1d096075e3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f925d317d84d401d642e537ea18ee12f67cb6983"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93178.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93178"},{"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":"c82baa28184356a75c0157129f88af42b2e7b695"},{"fixed":"d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b"},{"fixed":"6f08c001fa6e8212930d694540ae8d9d6d3fb58a"},{"fixed":"ce0d8e72836c9d3710a160ad848b0f1d096075e3"},{"fixed":"745297208d31222f916cc04da313cb737b997935"},{"fixed":"f925d317d84d401d642e537ea18ee12f67cb6983"},{"fixed":"8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a"},{"fixed":"1664327ce797e09e387dc10cbbaa5b8d76558d2c"},{"fixed":"3a8a05477cda6c8293e2b629495b42981dcaba32"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93178.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.0"},{"fixed":"5.10.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.221"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93178.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}