CVE-2024-39487
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS Trends
Current EPSS score: 0.24%• Percentile: 16%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
Affected Systems
- debian•linux
< 5.10.223-1 | < 6.1.99-1 | < 6.9.9-1 | < 6.9.9-1
- debian•linux-6.1
< 6.1.119-1~deb11u1
- ubuntu•linux
all | < 4.4.0-260.294 | < 4.15.0-230.242 | < 5.4.0-195.215 | < 5.15.0-121.131 | < 6.8.0-48.48
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 4.4.0-1137.143 | < 4.4.0-1175.190 | < 4.15.0-1174.187 | < 5.4.0-1132.142 | < 5.15.0-1069.75 | < 6.8.0-1018.20
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1069.75~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1132.142~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1018.19~22.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2112.118 | all | < 5.4.0-1132.142+fips1 | < 5.15.0-1069.75+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1174.187~16.04.1
- ubuntu•linux-azure
< 4.15.0-1182.197~14.04.1 | < 4.15.0-1182.197~16.04.1 | all | < 5.4.0-1137.144 | < 5.15.0-1072.81 | < 6.8.0-1017.20
- ubuntu•linux-azure-4.15
< 4.15.0-1182.197
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1072.81~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1137.144~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
< 6.8.0-1017.20~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1072.81.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 4.15.0-2091.97 | all | < 5.4.0-1137.144+fips1 | < 5.15.0-1072.81+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1092.99 | < 5.15.0-1052.54
- ubuntu•linux-fips
< 4.4.0-1106.113 | all | < 4.15.0-1128.139 | < 5.4.0-1106.116 | < 5.15.0-121.131+fips1 | < 6.8.0-78.78+fips1
- ubuntu•linux-gcp
< 4.15.0-1167.184~16.04.2 | all | < 5.4.0-1136.145 | < 5.15.0-1068.76 | < 6.8.0-1017.19
- ubuntu•linux-gcp-4.15
< 4.15.0-1167.184
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1068.76~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1136.145~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-6.8
< 6.8.0-1017.19~22.04.1
- ubuntu•linux-gcp-fips
< 4.15.0-2075.80 | all | < 5.4.0-1136.145+fips1 | < 5.15.0-1068.76+fips1
Showing first 50 affected entries in server-rendered view.
References (38)
- 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
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://ubuntu.com/security/CVE-2024-39487
- https://www.cve.org/CVERecord?id=CVE-2024-39487
- https://git.kernel.org/linus/e271ff53807e8f2c628758290f0e499dbe51cb3d
- https://ubuntu.com/security/notices/USN-7003-1
- https://ubuntu.com/security/notices/USN-7003-2
- https://ubuntu.com/security/notices/USN-7006-1
- https://ubuntu.com/security/notices/USN-7003-3
- https://ubuntu.com/security/notices/USN-7007-1
- https://ubuntu.com/security/notices/USN-7009-1
- https://ubuntu.com/security/notices/USN-7019-1
- https://ubuntu.com/security/notices/USN-7007-2
- https://ubuntu.com/security/notices/USN-7007-3
- https://ubuntu.com/security/notices/USN-7009-2
- https://ubuntu.com/security/notices/USN-7003-4
- https://ubuntu.com/security/notices/USN-7003-5
- https://ubuntu.com/security/notices/USN-7069-1
- https://ubuntu.com/security/notices/USN-7069-2
- https://ubuntu.com/security/notices/USN-7089-1
- https://ubuntu.com/security/notices/USN-7090-1
- https://ubuntu.com/security/notices/USN-7089-2
- https://ubuntu.com/security/notices/USN-7089-3
- https://ubuntu.com/security/notices/USN-7095-1
- https://ubuntu.com/security/notices/USN-7089-4
- https://ubuntu.com/security/notices/USN-7110-1
- https://ubuntu.com/security/notices/USN-7089-5
- https://ubuntu.com/security/notices/USN-7089-6
- https://ubuntu.com/security/notices/USN-7089-7
- https://ubuntu.com/security/notices/USN-7156-1
- https://security-tracker.debian.org/tracker/CVE-2024-39487