{"id":"CVE-2026-23099","revision":null,"records":[{"revision":"e2e5c0ca050a4bd7b0dc1b2ee44ef1bd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-23099","aliases":[],"title":"bonding: limit BOND_MODE_8023AD to Ethernet devices","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: limit BOND_MODE_8023AD to Ethernet devices\n\nBOND_MODE_8023AD makes sense for ARPHRD_ETHER only.\n\nsyzbot reported:\n\n BUG: KASAN: global-out-of-bounds in __hw_addr_create net/core/dev_addr_lists.c:63 [inline]\n BUG: KASAN: global-out-of-bounds in __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118\nRead of size 16 at addr ffffffff8bf94040 by task syz.1.3580/19497\n\nCPU: 1 UID: 0 PID: 19497 Comm: syz.1.3580 Tainted: G L syzkaller #0 PREEMPT(full)\nTainted: [L]=SOFTLOCKUP\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025\nCall Trace:\n \n dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xca/0x240 mm/kasan/report.c:482\n kasan_report+0x118/0x150 mm/kasan/report.c:595\n check_region_inline mm/kasan/generic.c:-1 [inline]\n kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200\n __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105\n __hw_addr_create net/core/dev_addr_lists.c:63 [inline]\n __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118\n __dev_mc_add net/core/dev_addr_lists.c:868 [inline]\n dev_mc_add+0xa1/0x120 net/core/dev_addr_lists.c:886\n bond_enslave+0x2b8b/0x3ac0 drivers/net/bonding/bond_main.c:2180\n do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2963\n do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3165\n rtnl_changelink net/core/rtnetlink.c:3776 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3935 [inline]\n rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072\n rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg+0x21c/0x270 net/socket.c:742\n ____sys_sendmsg+0x505/0x820 net/socket.c:2592\n ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646\n __sys_sendmsg+0x164/0x220 net/socket.c:2678\n do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]\n __do_fast_syscall_32+0x1dc/0x560 arch/x86/entry/syscall_32.c:307\n do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:332\n entry_SYSENTER_compat_after_hwframe+0x84/0x8e\n \n\nThe buggy address belongs to the variable:\n lacpdu_mcast_addr+0x0/0x40","state":0,"publishedAt":"2026-02-04T16:08:21.601+00:00","modifiedAt":"2026-10-19T18:25:30.792+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/bonding/bond_main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"872254dd6b1f80cb95ee9e2e22980888533fc293\",\n \"lessThan\": \"19266182b82e9100c799d8a29f5e0452f0bf7703\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"872254dd6b1f80cb95ee9e2e22980888533fc293\",\n \"lessThan\": \"72925dbb0c8c7b16bf922e93c6cc03cbd8c955c4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"872254dd6b1f80cb95ee9e2e22980888533fc293\",\n \"lessThan\": \"5063b2cd9b27d35ab788d707d7858ded0acc8f1d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"872254dd6b1f80cb95ee9e2e22980888533fc293\",\n \"lessThan\": \"80c881e53a4fa0a80fa4bef7bc0ead0e8e88940d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"872254dd6b1f80cb95ee9e2e22980888533fc293\",\n \"lessThan\": \"ef68afb1bee8d35a18896c27d7358079353d8d8a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"872254dd6b1f80cb95ee9e2e22980888533fc293\",\n \"lessThan\": \"43dee6f7ef1d228821de1b61c292af3744c8d7da\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"872254dd6b1f80cb95ee9e2e22980888533fc293\",\n \"lessThan\": \"c84fcb79e5dbde0b8d5aeeaf04282d2149aebcf6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/bonding/bond_main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.24\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"2.6.24\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.259\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.199\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.162\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.122\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.68\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.8\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/19266182b82e9100c799d8a29f5e0452f0bf7703","https://git.kernel.org/stable/c/72925dbb0c8c7b16bf922e93c6cc03cbd8c955c4","https://git.kernel.org/stable/c/5063b2cd9b27d35ab788d707d7858ded0acc8f1d","https://git.kernel.org/stable/c/80c881e53a4fa0a80fa4bef7bc0ead0e8e88940d","https://git.kernel.org/stable/c/ef68afb1bee8d35a18896c27d7358079353d8d8a","https://git.kernel.org/stable/c/43dee6f7ef1d228821de1b61c292af3744c8d7da","https://git.kernel.org/stable/c/c84fcb79e5dbde0b8d5aeeaf04282d2149aebcf6"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23099","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-23099","identifiers":["CVE-2026-23099"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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