{"id":"CVE-2024-39487","revision":"f8926ffba0294d54b4731d668d3e756f","records":[{"revision":"f8926ffba0294d54b4731d668d3e756f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-39487","aliases":[],"title":"bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()","description":"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.","state":0,"publishedAt":"2024-07-09T09:52:07.664+00:00","modifiedAt":"2026-10-15T00:44:24.096+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/bonding/bond_options.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"6a8a4fd082c439e19fede027e80c79bc4c84bb8e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"6b21346b399fd1336fe59233a17eb5ce73041ee1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"707c85ba3527ad6aa25552033576b0f1ff835d7b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"bfd14e5915c2669f292a31d028e75dcd82f1e7e9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"c8eb8ab9a44ff0e73492d0a12a643c449f641a9f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"b75e33eae8667084bd4a63e67657c6a5a0f8d1e8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"9f835e48bd4c75fdf6a9cff3f0b806a7abde78da\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f9de11a165943a55e0fbda714caf60eaeb276a42\",\n                            \"lessThan\": \"e271ff53807e8f2c628758290f0e499dbe51cb3d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/bonding/bond_options.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.13\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.19.318\",\n                            \"lessThanOrEqual\": \"4.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.280\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.222\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.163\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.98\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.39\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.9.9\",\n                            \"lessThanOrEqual\": \"6.9.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.10\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/6a8a4fd082c439e19fede027e80c79bc4c84bb8e","https://git.kernel.org/stable/c/6b21346b399fd1336fe59233a17eb5ce73041ee1","https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b","https://git.kernel.org/stable/c/bfd14e5915c2669f292a31d028e75dcd82f1e7e9","https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73492d0a12a643c449f641a9f","https://git.kernel.org/stable/c/b75e33eae8667084bd4a63e67657c6a5a0f8d1e8","https://git.kernel.org/stable/c/9f835e48bd4c75fdf6a9cff3f0b806a7abde78da","https://git.kernel.org/stable/c/e271ff53807e8f2c628758290f0e499dbe51cb3d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-39487","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-39487","identifiers":["CVE-2024-39487"]},"retained":false,"historicalAffected":[]}],"coverage":[]}