CVE-2024-39487bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()
- 7.1HighCVSS base score
- 0.25%Exploitation in 30 daysEPSS · top 84% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set() In function bond_option_arp_ip_targets_set(), if newval->string is an empty string, newval->string+1 will point to the byte after the string, causing an out-of-bound read. BUG: KASAN: slab-out-of-bounds in strlen+0x7d/0xa0 lib/string.c:418 Read of size 1 at addr ffff8881119c4781 by task syz-executor665/8107 CPU: 1 PID: 8107 Comm: syz-executor665 Not tainted 6.7.0-rc7 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc1/0x5e0 mm/kasan/report.c:475 kasan_report+0xbe/0xf0 mm/kasan/report.c:588 strlen+0x7d/0xa0 lib/string.c:418 __fortify_strlen include/linux/fortify-string.h:210 [inline] in4_pton+0xa3/0x3f0 net/core/utils.c:130 bond_option_arp_ip_targets_set+0xc2/0x910 drivers/net/bonding/bond_options.c:1201 __bond_opt_set+0x2a4/0x1030 drivers/net/bonding/bond_options.c:767 __bond_opt_set_notify+0x48/0x150 drivers/net/bonding/bond_options.c:792 bond_opt_tryset_rtnl+0xda/0x160 drivers/net/bonding/bond_options.c:817 bonding_sysfs_store_option+0xa1/0x120 drivers/net/bonding/bond_sysfs.c:156 dev_attr_store+0x54/0x80 drivers/base/core.c:2366 sysfs_kf_write+0x114/0x170 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x337/0x500 fs/kernfs/file.c:334 call_write_iter include/linux/fs.h:2020 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x96a/0xd80 fs/read_write.c:584 ksys_write+0x122/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b ---[ end trace ]--- Fix it by adding a check of string length before using it.
Timeline
ID reserved
By Linux
- 14 days later
· 14 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 84% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < 6a8a4fd082c439e19fede027e80c79bc4c84bb8e
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < 6b21346b399fd1336fe59233a17eb5ce73041ee1
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < 707c85ba3527ad6aa25552033576b0f1ff835d7b
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < bfd14e5915c2669f292a31d028e75dcd82f1e7e9
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < c8eb8ab9a44ff0e73492d0a12a643c449f641a9f
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < b75e33eae8667084bd4a63e67657c6a5a0f8d1e8
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < 9f835e48bd4c75fdf6a9cff3f0b806a7abde78da
- affected f9de11a165943a55e0fbda714caf60eaeb276a42 – < e271ff53807e8f2c628758290f0e499dbe51cb3d
- affected 3.13
- unaffected < 3.13
- unaffected 4.19.318 – ≤ 4.19.*
- unaffected 5.4.280 – ≤ 5.4.*
- unaffected 5.10.222 – ≤ 5.10.*
- unaffected 5.15.163 – ≤ 5.15.*
- unaffected 6.1.98 – ≤ 6.1.*
- unaffected 6.6.39 – ≤ 6.6.*
- unaffected 6.9.9 – ≤ 6.9.*
- unaffected 6.10 – ≤ *
References
References12
- https://git.kernel.org/stable/c/6a8a4fd082c439e19fede027e80c79bc4c84bb8e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6b21346b399fd1336fe59233a17eb5ce73041ee1 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/707c85ba3527ad6aa25552033576b0f1ff835d7b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/bfd14e5915c2669f292a31d028e75dcd82f1e7e9 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c8eb8ab9a44ff0e73492d0a12a643c449f641a9f (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/b75e33eae8667084bd4a63e67657c6a5a0f8d1e8 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/9f835e48bd4c75fdf6a9cff3f0b806a7abde78da (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e271ff53807e8f2c628758290f0e499dbe51cb3d (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-38012 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-39487)Record last updated .