{"id":"CVE-2024-50117","summary":"drm/amd: Guard against bad data for ATIF ACPI method","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd: Guard against bad data for ATIF ACPI method\n\nIf a BIOS provides bad data in response to an ATIF method call\nthis causes a NULL pointer dereference in the caller.\n\n```\n? show_regs (arch/x86/kernel/dumpstack.c:478 (discriminator 1))\n? __die (arch/x86/kernel/dumpstack.c:423 arch/x86/kernel/dumpstack.c:434)\n? page_fault_oops (arch/x86/mm/fault.c:544 (discriminator 2) arch/x86/mm/fault.c:705 (discriminator 2))\n? do_user_addr_fault (arch/x86/mm/fault.c:440 (discriminator 1) arch/x86/mm/fault.c:1232 (discriminator 1))\n? acpi_ut_update_object_reference (drivers/acpi/acpica/utdelete.c:642)\n? exc_page_fault (arch/x86/mm/fault.c:1542)\n? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623)\n? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:387 (discriminator 2)) amdgpu\n? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:386 (discriminator 1)) amdgpu\n```\n\nIt has been encountered on at least one system, so guard for it.\n\n(cherry picked from commit c9b7c809b89f24e9372a4e7f02d64c950b07fdee)","modified":"2026-03-20T12:38:13.237249Z","published":"2024-11-05T17:10:47.985Z","related":["MGASA-2024-0368","MGASA-2024-0369","SUSE-SU-2024:4314-1","SUSE-SU-2024:4315-1","SUSE-SU-2024:4316-1","SUSE-SU-2024:4318-1","SUSE-SU-2024:4364-1","SUSE-SU-2024:4367-1","SUSE-SU-2024:4376-1","SUSE-SU-2024:4387-1","SUSE-SU-2025:0035-1","SUSE-SU-2025:20163-1","SUSE-SU-2025:20164-1","SUSE-SU-2025:20246-1","SUSE-SU-2025:20247-1","USN-7276-1","USN-7277-1","openSUSE-SU-2024:14500-1","openSUSE-SU-2025:14705-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50117.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1d7175f9c57b1abf9ecfbdfd53ea760761f52ffe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/234682910971732cd4da96fd95946e296e486b38"},{"type":"WEB","url":"https://git.kernel.org/stable/c/43b4fa6e0e238c6e2662f4fb61d9f51c2785fb1d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/58556dcbd5606a5daccaee73b2130bc16b48e025"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6032287747f874b52dc8b9d7490e2799736e035f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/975ede2a7bec52b5da1428829b3439667c8a234b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bf58f03931fdcf7b3c45cb76ac13244477a60f44"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cd67af3c1762de4c2483ae4dbdd98f9ea8fa56e3"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50117.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50117"},{"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":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21"},{"fixed":"58556dcbd5606a5daccaee73b2130bc16b48e025"},{"fixed":"43b4fa6e0e238c6e2662f4fb61d9f51c2785fb1d"},{"fixed":"234682910971732cd4da96fd95946e296e486b38"},{"fixed":"6032287747f874b52dc8b9d7490e2799736e035f"},{"fixed":"cd67af3c1762de4c2483ae4dbdd98f9ea8fa56e3"},{"fixed":"975ede2a7bec52b5da1428829b3439667c8a234b"},{"fixed":"1d7175f9c57b1abf9ecfbdfd53ea760761f52ffe"},{"fixed":"bf58f03931fdcf7b3c45cb76ac13244477a60f44"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-50117.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}