{"id":"CVE-2026-63879","revision":"923a5f3a960442278afd248c3f467721","records":[{"revision":"923a5f3a960442278afd248c3f467721","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-63879","aliases":[],"title":"drm/amdgpu: fix amdgpu_hmm_range_get_pages","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix amdgpu_hmm_range_get_pages\n\nThe notifier sequence must only be read once or otherwise we could work\nwith invalid pages.\n\nWhile at it also fix the coding style, e.g. drop the pre-initialized\nreturn value and use the common define for 2G range.\n\n(cherry picked from commit c08972f555945cda57b0adb72272a37910153390)","state":0,"publishedAt":"2026-07-19T14:54:51.698+00:00","modifiedAt":"2026-10-21T12:42:43.701+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/amdgpu/amdgpu_hmm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc\",\n                            \"lessThan\": \"e35cf322897dd4921248d11311a89c865b534c14\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc\",\n                            \"lessThan\": \"93a9f121de6383f20290840d025ee28fda5f53b5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc\",\n                            \"lessThan\": \"fa34d3e14cb763b50702e8a0f7d4cfd877a73ab9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc\",\n                            \"lessThan\": \"2fd24407457a6b181ba827705678da70e528dcd0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc\",\n                            \"lessThan\": \"962d684b5dc0741dcd93485d41b450de402d5592\",\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/amdgpu/amdgpu_hmm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.12\",\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/e35cf322897dd4921248d11311a89c865b534c14","https://git.kernel.org/stable/c/93a9f121de6383f20290840d025ee28fda5f53b5","https://git.kernel.org/stable/c/fa34d3e14cb763b50702e8a0f7d4cfd877a73ab9","https://git.kernel.org/stable/c/2fd24407457a6b181ba827705678da70e528dcd0","https://git.kernel.org/stable/c/962d684b5dc0741dcd93485d41b450de402d5592"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63879","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-63879","identifiers":["CVE-2026-63879"]},"retained":false,"historicalAffected":[]}],"coverage":[]}