{"id":"CVE-2024-46743","title":"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…","summary":"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…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","cwe":["CWE-125"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 4.19.322","linux_kernel >= 4.20, < 5.4.284","linux_kernel >= 5.5, < 5.10.226","linux_kernel >= 5.11, < 5.15.167","linux_kernel >= 5.16, < 6.1.110","linux_kernel >= 6.2, < 6.6.51","linux_kernel >= 6.7, < 6.10.10","linux_kernel = 6.11"],"patched":["linux_kernel 6.10.10"],"published":"2024-09-18","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:18:52.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-46743","references":[{"url":"https://git.kernel.org/stable/c/7ead730af11ee7da107f16fc77995613c58d292d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8ff351ea12e918db1373b915c4c268815929cbe5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/baaf26723beab3a04da578d3008be3544f83758f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf68acd840b6a5bfd3777e0d5aaa204db6b461a9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d2a79494d8a5262949736fb2c3ac44d20a51b0d8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/defcaa426ba0bc89ffdafb799d2e50b52f74ffc4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00292,"epssPercentile":0.20291,"ingestedAt":"2026-10-15T03:30:12.742Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-09-29T14:49:43.804091Z"},"slug":"CVE-2024-46743","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `linux_kernel < 4.19.322`\n- `linux_kernel >= 4.20, < 5.4.284`\n- `linux_kernel >= 5.5, < 5.10.226`\n- `linux_kernel >= 5.11, < 5.15.167`\n- `linux_kernel >= 5.16, < 6.1.110`\n- `linux_kernel >= 6.2, < 6.6.51`\n- `linux_kernel >= 6.7, < 6.10.10`\n- `linux_kernel = 6.11`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.10.10`","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}