{"id":"CVE-2026-93178","revision":"9b30b4c9583944fba3dda8328c98eca7","records":[{"revision":"9b30b4c9583944fba3dda8328c98eca7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93178","aliases":[],"title":"drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup","description":"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.","state":0,"publishedAt":"2026-09-17T16:12:06.631+00:00","modifiedAt":"2026-10-19T09:06:50.344+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/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"6f08c001fa6e8212930d694540ae8d9d6d3fb58a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"ce0d8e72836c9d3710a160ad848b0f1d096075e3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"745297208d31222f916cc04da313cb737b997935\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"f925d317d84d401d642e537ea18ee12f67cb6983\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"1664327ce797e09e387dc10cbbaa5b8d76558d2c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c82baa28184356a75c0157129f88af42b2e7b695\",\n                            \"lessThan\": \"3a8a05477cda6c8293e2b629495b42981dcaba32\",\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/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b","https://git.kernel.org/stable/c/6f08c001fa6e8212930d694540ae8d9d6d3fb58a","https://git.kernel.org/stable/c/ce0d8e72836c9d3710a160ad848b0f1d096075e3","https://git.kernel.org/stable/c/745297208d31222f916cc04da313cb737b997935","https://git.kernel.org/stable/c/f925d317d84d401d642e537ea18ee12f67cb6983","https://git.kernel.org/stable/c/8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a","https://git.kernel.org/stable/c/1664327ce797e09e387dc10cbbaa5b8d76558d2c","https://git.kernel.org/stable/c/3a8a05477cda6c8293e2b629495b42981dcaba32"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93178","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93178","identifiers":["CVE-2026-93178"]},"retained":false,"historicalAffected":[]}],"coverage":[]}