{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-39487",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-39487"
  ],
  "published": "2024-07-09T09:52:23Z",
  "summary": "bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()\n\nIn function bond_option_arp_ip_targets_set(), if newval->string is an\nempty string, newval->string+1 will point to the byte after the\nstring, causing an out-of-bound read.\n\nBUG: KASAN: slab-out-of-bounds in strlen+0x7d/0xa0 lib/string.c:418\nRead of size 1 at addr ffff8881119c4781 by task syz-executor665/8107\nCPU: 1 PID: 8107 Comm: syz-executor665 Not tainted 6.7.0-rc7 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:364 [inline]\n print_report+0xc1/0x5e0 mm/kasan/report.c:475\n kasan_report+0xbe/0xf0 mm/kasan/report.c:588\n strlen+0x7d/0xa0 lib/string.c:418\n __fortify_strlen include/linux/fortify-string.h:210 [inline]\n in4_pton+0xa3/0x3f0 net/core/utils.c:130\n bond_option_arp_ip_targets_set+0xc2/0x910\ndrivers/net/bonding/bond_options.c:1201\n __bond_opt_set+0x2a4/0x1030 drivers/net/bonding/bond_options.c:767\n __bond_opt_set_notify+0x48/0x150 drivers/net/bonding/bond_options.c:792\n bond_opt_tryset_rtnl+0xda/0x160 drivers/net/bonding/bond_options.c:817\n bonding_sysfs_store_option+0xa1/0x120 drivers/net/bonding/bond_sysfs.c:156\n dev_attr_store+0x54/0x80 drivers/base/core.c:2366\n sysfs_kf_write+0x114/0x170 fs/sysfs/file.c:136\n kernfs_fop_write_iter+0x337/0x500 fs/kernfs/file.c:334\n call_write_iter include/linux/fs.h:2020 [inline]\n new_sync_write fs/read_write.c:491 [inline]\n vfs_write+0x96a/0xd80 fs/read_write.c:584\n ksys_write+0x122/0x250 fs/read_write.c:637\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\n---[ end trace ]---\n\nFix it by adding a check of string length before using it.",
  "affected": [
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        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-39487"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6a8a4fd082c439e19fede027e80c79bc4c84bb8e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6b21346b399fd1336fe59233a17eb5ce73041ee1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bfd14e5915c2669f292a31d028e75dcd82f1e7e9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73492d0a12a643c449f641a9f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b75e33eae8667084bd4a63e67657c6a5a0f8d1e8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9f835e48bd4c75fdf6a9cff3f0b806a7abde78da"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e271ff53807e8f2c628758290f0e499dbe51cb3d"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}