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.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4008-1 | linux-6.1 security update |
Debian DSA |
DSA-5731-1 | linux security update |
Debian DSA |
DSA-5747-1 | linux security update |
Ubuntu USN |
USN-7003-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7003-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7003-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7003-4 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7003-5 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7006-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7007-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7007-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7007-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7009-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7009-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7019-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7069-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7069-2 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7089-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-4 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-5 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-6 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7089-7 | Linux kernel (Low Latency) vulnerabilities |
Ubuntu USN |
USN-7090-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7095-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7110-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7156-1 | Linux kernel (GKE) vulnerabilities |
Mon, 03 Nov 2025 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Wed, 06 Nov 2024 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 21 Aug 2024 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Weaknesses | CWE-125 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc6:*:*:*:*:*:* |
|
| Vendors & Products |
Linux
Linux linux Kernel |
|
| Metrics |
cvssV3_1
|
cvssV3_1
|
Fri, 16 Aug 2024 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9 |
Thu, 08 Aug 2024 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat
Redhat enterprise Linux |
|
| CPEs | cpe:/a:redhat:enterprise_linux:8::nfv cpe:/o:redhat:enterprise_linux:8 |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux |
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T20:21:30.285Z
Reserved: 2024-06-25T14:23:23.747Z
Link: CVE-2024-39487
Updated: 2025-11-03T21:56:09.674Z
Status : Modified
Published: 2024-07-09T10:15:04.597
Modified: 2025-11-03T22:17:04.577
Link: CVE-2024-39487
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
Ubuntu USN