CVE-2024-26733

In the Linux kernel, the following vulnerability has been resolved: arp: Prevent overflow in arp_req_get(). syzkaller reported an overflown write in arp_req_get(). [0] When ioctl(SIOCGARP) is issued, arp_req_get() looks up an neighbour entry and copies neigh->ha to struct arpreq.arp_ha.sa_data. The arp_ha here is struct sockaddr, not struct sockaddr_storage, so the sa_data buffer is just 14 bytes. In the splat below, 2 bytes are overflown to the next int field, arp_flags. We initialise the field just after the memcpy(), so it's not a problem. However, when dev->addr_len is greater than 22 (e.g. MAX_ADDR_LEN), arp_netmask is overwritten, which could be set as htonl(0xFFFFFFFFUL) in arp_ioctl() before calling arp_req_get(). To avoid the overflow, let's limit the max length of memcpy(). Note that commit b5f0de6df6dc ("net: dev: Convert sa_data to flexible array in struct sockaddr") just silenced syzkaller. [0]: memcpy: detected field-spanning write (size 16) of single field "r->arp_ha.sa_data" at net/ipv4/arp.c:1128 (size 14) WARNING: CPU: 0 PID: 144638 at net/ipv4/arp.c:1128 arp_req_get+0x411/0x4a0 net/ipv4/arp.c:1128 Modules linked in: CPU: 0 PID: 144638 Comm: syz-executor.4 Not tainted 6.1.74 #31 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-5 04/01/2014 RIP: 0010:arp_req_get+0x411/0x4a0 net/ipv4/arp.c:1128 Code: fd ff ff e8 41 42 de fb b9 0e 00 00 00 4c 89 fe 48 c7 c2 20 6d ab 87 48 c7 c7 80 6d ab 87 c6 05 25 af 72 04 01 e8 5f 8d ad fb <0f> 0b e9 6c fd ff ff e8 13 42 de fb be 03 00 00 00 4c 89 e7 e8 a6 RSP: 0018:ffffc900050b7998 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88803a815000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8641a44a RDI: 0000000000000001 RBP: ffffc900050b7a98 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 203a7970636d656d R12: ffff888039c54000 R13: 1ffff92000a16f37 R14: ffff88803a815084 R15: 0000000000000010 FS: 00007f172bf306c0(0000) GS:ffff88805aa00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f172b3569f0 CR3: 0000000057f12005 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: <TASK> arp_ioctl+0x33f/0x4b0 net/ipv4/arp.c:1261 inet_ioctl+0x314/0x3a0 net/ipv4/af_inet.c:981 sock_do_ioctl+0xdf/0x260 net/socket.c:1204 sock_ioctl+0x3ef/0x650 net/socket.c:1321 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x18e/0x220 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x37/0x90 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x64/0xce RIP: 0033:0x7f172b262b8d Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f172bf300b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f172b3abf80 RCX: 00007f172b262b8d RDX: 0000000020000000 RSI: 0000000000008954 RDI: 0000000000000003 RBP: 00007f172b2d3493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f172b3abf80 R15: 00007f172bf10000 </TASK>
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.10.211:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:netapp:a1k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a1k:*:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:a70_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a70:*:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:a90_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a90:*:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a700s:*:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:8300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:8300:*:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:netapp:8700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:8700:*:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:netapp:a400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a400:*:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:netapp:c400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:c400:*:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:netapp:a320_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a320:*:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:netapp:a800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a800:*:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:netapp:c800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:c800:*:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:netapp:a900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a900:*:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:netapp:9500_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:9500:*:*:*:*:*:*:*:*

Configuration 16 (hide)

AND
cpe:2.3:o:netapp:c190_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:c190:*:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:netapp:a150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a150:*:*:*:*:*:*:*:*

Configuration 18 (hide)

AND
cpe:2.3:o:netapp:a220_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a220:*:*:*:*:*:*:*:*

Configuration 19 (hide)

AND
cpe:2.3:o:netapp:fas2720_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2720:*:*:*:*:*:*:*:*

Configuration 20 (hide)

AND
cpe:2.3:o:netapp:fas2750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2750:*:*:*:*:*:*:*:*

Configuration 21 (hide)

AND
cpe:2.3:o:netapp:fas2820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2820:*:*:*:*:*:*:*:*

Configuration 22 (hide)

AND
cpe:2.3:o:netapp:a300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a300:*:*:*:*:*:*:*:*

Configuration 23 (hide)

AND
cpe:2.3:o:netapp:8200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:8200:*:*:*:*:*:*:*:*

Configuration 24 (hide)

AND
cpe:2.3:o:netapp:a700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a700:*:*:*:*:*:*:*:*

Configuration 25 (hide)

AND
cpe:2.3:o:netapp:9000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:9000:*:*:*:*:*:*:*:*

Configuration 26 (hide)

AND
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610c:*:*:*:*:*:*:*:*

Configuration 27 (hide)

AND
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610s:*:*:*:*:*:*:*:*

Configuration 28 (hide)

AND
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h615c:*:*:*:*:*:*:*:*

Configuration 29 (hide)

cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2024-04-03 17:15

Updated : 2025-03-17 16:02


NVD link : CVE-2024-26733

Mitre link : CVE-2024-26733

CVE.ORG link : CVE-2024-26733


JSON object : View

Products Affected

netapp

  • 8200_firmware
  • h615c_firmware
  • 8300
  • fas2750_firmware
  • fas2820_firmware
  • a700_firmware
  • e-series_santricity_os_controller
  • c400
  • c190_firmware
  • 9000
  • a150
  • a220
  • a1k_firmware
  • a90
  • 8300_firmware
  • h610c_firmware
  • a800
  • a1k
  • h610s_firmware
  • a400
  • h610s
  • a700s_firmware
  • c190
  • a90_firmware
  • a900_firmware
  • a900
  • a70
  • a70_firmware
  • a800_firmware
  • h615c
  • a300
  • fas2720_firmware
  • a220_firmware
  • 9500
  • c400_firmware
  • 9500_firmware
  • a700
  • a700s
  • a320
  • c800
  • a300_firmware
  • 9000_firmware
  • fas2750
  • 8700
  • a320_firmware
  • a400_firmware
  • fas2720
  • fas2820
  • 8700_firmware
  • c800_firmware
  • h610c
  • 8200
  • a150_firmware

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-787

Out-of-bounds Write