{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-46743", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof/irq: Prevent device address out-of-bounds read in interrupt map walk\n\nWhen of_irq_parse_raw() is invoked with a device address smaller than\nthe interrupt parent node (from #address-cells property), KASAN detects\nthe following out-of-bounds read when populating the initial match table\n(dyndbg=\"func of_irq_parse_* +p\"):\n\n OF: of_irq_parse_one: dev=/soc@0/picasso/watchdog, index=0\n OF: parent=/soc@0/pci@878000000000/gpio0@17,0, intsize=2\n OF: intspec=4\n OF: of_irq_parse_raw: ipar=/soc@0/pci@878000000000/gpio0@17,0, size=2\n OF: -> addrsize=3\n ==================================================================\n BUG: KASAN: slab-out-of-bounds in of_irq_parse_raw+0x2b8/0x8d0\n Read of size 4 at addr ffffff81beca5608 by task bash/764\n\n CPU: 1 PID: 764 Comm: bash Tainted: G O 6.1.67-484c613561-nokia_sm_arm64 #1\n Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2023.01-12.24.03-dirty 01/01/2023\n Call trace:\n dump_backtrace+0xdc/0x130\n show_stack+0x1c/0x30\n dump_stack_lvl+0x6c/0x84\n print_report+0x150/0x448\n kasan_report+0x98/0x140\n __asan_load4+0x78/0xa0\n of_irq_parse_raw+0x2b8/0x8d0\n of_irq_parse_one+0x24c/0x270\n parse_interrupts+0xc0/0x120\n of_fwnode_add_links+0x100/0x2d0\n fw_devlink_parse_fwtree+0x64/0xc0\n device_add+0xb38/0xc30\n of_device_add+0x64/0x90\n of_platform_device_create_pdata+0xd0/0x170\n of_platform_bus_create+0x244/0x600\n of_platform_notify+0x1b0/0x254\n blocking_notifier_call_chain+0x9c/0xd0\n __of_changeset_entry_notify+0x1b8/0x230\n __of_changeset_apply_notify+0x54/0xe4\n of_overlay_fdt_apply+0xc04/0xd94\n ...\n\n The buggy address belongs to the object at ffffff81beca5600\n which belongs to the cache kmalloc-128 of size 128\n The buggy address is located 8 bytes inside of\n 128-byte region [ffffff81beca5600, ffffff81beca5680)\n\n The buggy address belongs to the physical page:\n page:00000000230d3d03 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1beca4\n head:00000000230d3d03 order:1 compound_mapcount:0 compound_pincount:0\n flags: 0x8000000000010200(slab|head|zone=2)\n raw: 8000000000010200 0000000000000000 dead000000000122 ffffff810000c300\n raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffffff81beca5500: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ffffff81beca5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n >ffffff81beca5600: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ^\n ffffff81beca5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ffffff81beca5700: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc\n ==================================================================\n OF: -> got it !\n\nPrevent the out-of-bounds read by copying the device address into a\nbuffer of sufficient size." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "1da177e4c3f4", "version_value": "d2a79494d8a5" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.19.322", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.284", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.226", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.167", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.110", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.51", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10.10", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/d2a79494d8a5262949736fb2c3ac44d20a51b0d8", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d2a79494d8a5262949736fb2c3ac44d20a51b0d8" }, { "url": "https://git.kernel.org/stable/c/defcaa426ba0bc89ffdafb799d2e50b52f74ffc4", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/defcaa426ba0bc89ffdafb799d2e50b52f74ffc4" }, { "url": "https://git.kernel.org/stable/c/9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5" }, { "url": "https://git.kernel.org/stable/c/baaf26723beab3a04da578d3008be3544f83758f", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/baaf26723beab3a04da578d3008be3544f83758f" }, { "url": "https://git.kernel.org/stable/c/8ff351ea12e918db1373b915c4c268815929cbe5", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/8ff351ea12e918db1373b915c4c268815929cbe5" }, { "url": "https://git.kernel.org/stable/c/7ead730af11ee7da107f16fc77995613c58d292d", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7ead730af11ee7da107f16fc77995613c58d292d" }, { "url": "https://git.kernel.org/stable/c/bf68acd840b6a5bfd3777e0d5aaa204db6b461a9", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/bf68acd840b6a5bfd3777e0d5aaa204db6b461a9" }, { "url": "https://git.kernel.org/stable/c/b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305" } ] }, "generator": { "engine": "bippy-c9c4e1df01b2" } }