{"id":"CVE-2026-46197","revision":"a27e8a4d36d84528b84aff20c8fd5858","records":[{"revision":"a27e8a4d36d84528b84aff20c8fd5858","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46197","aliases":[],"title":"drm/amdkfd: validate SVM ioctl nattr against buffer size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: validate SVM ioctl nattr against buffer size\n\nValidate nattr field against the buffer size, preventing\nout-of-bounds buffer access via user-controlled attribute count.\n\n(cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)","state":0,"publishedAt":"2026-05-28T09:40:13.722+00:00","modifiedAt":"2026-10-19T19:36:54.598+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/amdkfd/kfd_chardev.c\",\n                        \"drivers/gpu/drm/amd/amdkfd/kfd_priv.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"42de677f79999791bee4e21be318c32d90ab62c6\",\n                            \"lessThan\": \"daa8bc5f83814b55b71d2b5b3a090d57a5219c21\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"42de677f79999791bee4e21be318c32d90ab62c6\",\n                            \"lessThan\": \"fb07a0c9c8419164812e07274947f11b1d92dd61\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"42de677f79999791bee4e21be318c32d90ab62c6\",\n                            \"lessThan\": \"91c6dc5a41695d02dfc6299f106ac38a6c493e52\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"42de677f79999791bee4e21be318c32d90ab62c6\",\n                            \"lessThan\": \"ccd060b5c7cc75ae7e211c250b97c5b6272e7efc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"42de677f79999791bee4e21be318c32d90ab62c6\",\n                            \"lessThan\": \"db9530a9873a7c85d2266a922589ebcf427fa631\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"42de677f79999791bee4e21be318c32d90ab62c6\",\n                            \"lessThan\": \"6abd3a4417cb73a7d0db7e25bf11fae1074bdba3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"42de677f79999791bee4e21be318c32d90ab62c6\",\n                            \"lessThan\": \"045e0ff208f0838a246c10204105126611b267a1\",\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/amdkfd/kfd_chardev.c\",\n                        \"drivers/gpu/drm/amd/amdkfd/kfd_priv.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.209\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.175\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.140\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.90\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.32\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.9\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\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:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21","https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61","https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52","https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc","https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631","https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3","https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46197","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46197","identifiers":["CVE-2026-46197"]},"retained":false,"historicalAffected":[]}],"coverage":[]}