Skip to main content
cve.nowby Sazabi
← All vulnerabilities
CVE-2024-39487

bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.19.318, 5.4.280, 5.10.222, 5.15.163, 6.1.98, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in 6a8a4fd082c439e19fede027e80c79bc4c84bb8e; From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in 6b21346b399fd1336fe59233a17eb5ce73041ee1; From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in 707c85ba3527ad6aa25552033576b0f1ff835d7b; From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in bfd14e5915c2669f292a31d028e75dcd82f1e7e9; From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in c8eb8ab9a44ff0e73492d0a12a643c449f641a9f; From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in b75e33eae8667084bd4a63e67657c6a5a0f8d1e8; From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in 9f835e48bd4c75fdf6a9cff3f0b806a7abde78da; From f9de11a165943a55e0fbda714caf60eaeb276a42 · fixed in e271ff53807e8f2c628758290f0e499dbe51cb3d

  • Linux Linux

    3.13

  • KernelLinux

    From 3.13.0 · fixed in 4.19.318; From 4.20.0 · fixed in 5.4.280; From 5.5.0 · fixed in 5.10.222; From 5.11.0 · fixed in 5.15.163; From 5.16.0 · fixed in 6.1.98; From 6.2.0 · fixed in 6.6.39; From 6.7.0 · fixed in 6.9.9

References 8

git.kernel.org