CVE-2026-43441

linux: In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fix nd_tbl NULL dereference when I...

CVE-2026-43441 is fixed in 112 products on 1 platform, first by ALAS2023-2026-1594, released April 27, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0059
48th percentile

In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If bonding ARP/NS validation is enabled, an IPv6 NS/NA packet received on a slave can reach bond_validate_na(), which calls bond_has_this_ip6(). That path calls ipv6_chk_addr() and can crash in __ipv6_chk_addr_and_flags(). BUG: kernel NULL pointer dereference, address: 00000000000005d8 Oops: Oops: 0000 [#1] SMP NOPTI RIP: 0010:__ipv6_chk_addr_and_flags+0x69/0x170 Call Trace: <IRQ> ipv6_chk_addr+0x1f/0x30 bond_validate_na+0x12e/0x1d0 [bonding] ? __pfx_bond_handle_frame+0x10/0x10 [bonding] bond_rcv_validate+0x1a0/0x450 [bonding] bond_handle_frame+0x5e/0x290 [bonding] ? srso_alias_return_thunk+0x5/0xfbef5 __netif_receive_skb_core.constprop.0+0x3e8/0xe50 ? srso_alias_return_thunk+0x5/0xfbef5 ? update_cfs_rq_load_avg+0x1a/0x240 ? srso_alias_return_thunk+0x5/0xfbef5 ? __enqueue_entity+0x5e/0x240 __netif_receive_skb_one_core+0x39/0xa0 process_backlog+0x9c/0x150 __napi_poll+0x30/0x200 ? srso_alias_return_thunk+0x5/0xfbef5 net_rx_action+0x338/0x3b0 handle_softirqs+0xc9/0x2a0 do_softirq+0x42/0x60 </IRQ> <TASK> __local_bh_enable_ip+0x62/0x70 __dev_queue_xmit+0x2d3/0x1000 ? srso_alias_return_thunk+0x5/0xfbef5 ? srso_alias_return_thunk+0x5/0xfbef5 ? packet_parse_headers+0x10a/0x1a0 packet_sendmsg+0x10da/0x1700 ? kick_pool+0x5f/0x140 ? srso_alias_return_thunk+0x5/0xfbef5 ? __queue_work+0x12d/0x4f0 __sys_sendto+0x1f3/0x220 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x101/0xf80 ? exc_page_fault+0x6e/0x170 ? srso_alias_return_thunk+0x5/0xfbef5 entry_SYSCALL_64_after_hwframe+0x77/0x7f </TASK> Fix this by checking ipv6_mod_enabled() before dispatching IPv6 packets to bond_na_rcv(). If IPv6 is disabled, return early from bond_rcv_validate() and avoid the path to ipv6_chk_addr().

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
bpftool-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
bpftool6.12 · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
bpftool6.18 · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-default · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.55.1.150700.17.33.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-devel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-headers · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-libbpf · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-libbpf-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-libbpf-devel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-libbpf-static · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-livepatch-6.1.168-202.320 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-livepatch-6.12.79-101.147 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel-livepatch-6.18.20-20.229 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel-livepatch-SLE15-SP7_Update_15 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-modules-extra · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-source · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-tools · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-tools-devel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-uek · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-doc · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-doc · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-tools · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-tools · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel6.12 · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-devel · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-headers · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-libbpf · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-libbpf-debuginfo · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-libbpf-devel · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-libbpf-static · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-tools · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
kernel6.18 · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-devel · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-headers · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-libbpf · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-libbpf-debuginfo · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-libbpf-devel · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-libbpf-static · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-tools · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
linux · Debian 12.15 (bookworm) 6.1.170-1 DEBIAN-CVE-2026-43441 May 15, 2026
linux · Debian 13.5 (trixie) 6.12.85-1 DEBIAN-CVE-2026-43441 May 15, 2026
linux · Debian 14 6.19.10-1 DEBIAN-CVE-2026-43441 May 15, 2026
perf · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
perf-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
perf6.12 · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
perf6.18 · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
python3-perf · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
python3-perf6.12 · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.79-101.147.amzn2023 ALAS2023-2026-1594 Apr 27, 2026
python3-perf6.18 · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.20-20.229.amzn2023 ALAS2023-2026-1596 Apr 27, 2026

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