{"uuid": "8389c544-3e73-4b71-bea3-defed3dcccdd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2024-56781", "type": "seen", "source": "https://t.me/cvedetector/14704", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2024-56781 - \"Powermac PowerPC #size-cells Property Missing Vulnerability\"\", \n  \"Content\": \"CVE ID : CVE-2024-56781 \nPublished : Jan. 8, 2025, 6:15 p.m. | 36\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \npowerpc/prom_init: Fixup missing powermac #size-cells  \n  \nOn some powermacs `escc` nodes are missing `#size-cells` properties,  \nwhich is deprecated and now triggers a warning at boot since commit  \n045b14ca5c36 (\"of: WARN on deprecated #address-cells/#size-cells  \nhandling\").  \n  \nFor example:  \n  \n  Missing '#size-cells' in /pci@f2000000/mac-io@c/escc@13000  \n  WARNING: CPU: 0 PID: 0 at drivers/of/base.c:133 of_bus_n_size_cells+0x98/0x108  \n  Hardware name: PowerMac3,1 7400 0xc0209 PowerMac  \n  ...  \n  Call Trace:  \n    of_bus_n_size_cells+0x98/0x108 (unreliable)  \n    of_bus_default_count_cells+0x40/0x60  \n    __of_get_address+0xc8/0x21c  \n    __of_address_to_resource+0x5c/0x228  \n    pmz_init_port+0x5c/0x2ec  \n    pmz_probe.isra.0+0x144/0x1e4  \n    pmz_console_init+0x10/0x48  \n    console_init+0xcc/0x138  \n    start_kernel+0x5c4/0x694  \n  \nAs powermacs boot via prom_init it's possible to add the missing  \nproperties to the device tree during boot, avoiding the warning. Note  \nthat `escc-legacy` nodes are also missing `#size-cells` properties, but  \nthey are skipped by the macio driver, so leave them alone.  \n  \nDepends-on: 045b14ca5c36 (\"of: WARN on deprecated #address-cells/#size-cells handling\") \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"08 Jan 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-01-08T19:59:43.000000Z"}