{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-39487", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "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 \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." } ] }, "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": "f9de11a16594", "version_value": "6a8a4fd082c4" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "3.13", "status": "affected" }, { "version": "0", "lessThan": "3.13", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.318", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.280", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.222", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.163", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.98", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.39", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.9", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/6a8a4fd082c439e19fede027e80c79bc4c84bb8e", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/6a8a4fd082c439e19fede027e80c79bc4c84bb8e" }, { "url": "https://git.kernel.org/stable/c/6b21346b399fd1336fe59233a17eb5ce73041ee1", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/6b21346b399fd1336fe59233a17eb5ce73041ee1" }, { "url": "https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b" }, { "url": "https://git.kernel.org/stable/c/bfd14e5915c2669f292a31d028e75dcd82f1e7e9", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/bfd14e5915c2669f292a31d028e75dcd82f1e7e9" }, { "url": "https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73492d0a12a643c449f641a9f", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73492d0a12a643c449f641a9f" }, { "url": "https://git.kernel.org/stable/c/b75e33eae8667084bd4a63e67657c6a5a0f8d1e8", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/b75e33eae8667084bd4a63e67657c6a5a0f8d1e8" }, { "url": "https://git.kernel.org/stable/c/9f835e48bd4c75fdf6a9cff3f0b806a7abde78da", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/9f835e48bd4c75fdf6a9cff3f0b806a7abde78da" }, { "url": "https://git.kernel.org/stable/c/e271ff53807e8f2c628758290f0e499dbe51cb3d", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/e271ff53807e8f2c628758290f0e499dbe51cb3d" } ] }, "generator": { "engine": "bippy-c9c4e1df01b2" } }