{"id":"DEBIAN-CVE-2026-23099","details":"In the Linux kernel, the following vulnerability has been resolved:  bonding: limit BOND_MODE_8023AD to Ethernet devices  BOND_MODE_8023AD makes sense for ARPHRD_ETHER only.  syzbot reported:   BUG: KASAN: global-out-of-bounds in __hw_addr_create net/core/dev_addr_lists.c:63 [inline]  BUG: KASAN: global-out-of-bounds in __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118 Read of size 16 at addr ffffffff8bf94040 by task syz.1.3580/19497  CPU: 1 UID: 0 PID: 19497 Comm: syz.1.3580 Tainted: G             L      syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace:  \u003cTASK\u003e   dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120   print_address_description mm/kasan/report.c:378 [inline]   print_report+0xca/0x240 mm/kasan/report.c:482   kasan_report+0x118/0x150 mm/kasan/report.c:595  check_region_inline mm/kasan/generic.c:-1 [inline]   kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200   __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105   __hw_addr_create net/core/dev_addr_lists.c:63 [inline]   __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118   __dev_mc_add net/core/dev_addr_lists.c:868 [inline]   dev_mc_add+0xa1/0x120 net/core/dev_addr_lists.c:886   bond_enslave+0x2b8b/0x3ac0 drivers/net/bonding/bond_main.c:2180   do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2963   do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3165   rtnl_changelink net/core/rtnetlink.c:3776 [inline]   __rtnl_newlink net/core/rtnetlink.c:3935 [inline]   rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072   rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958   netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550   netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]   netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344   netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894   sock_sendmsg_nosec net/socket.c:727 [inline]   __sock_sendmsg+0x21c/0x270 net/socket.c:742   ____sys_sendmsg+0x505/0x820 net/socket.c:2592   ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646   __sys_sendmsg+0x164/0x220 net/socket.c:2678   do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]   __do_fast_syscall_32+0x1dc/0x560 arch/x86/entry/syscall_32.c:307   do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:332  entry_SYSENTER_compat_after_hwframe+0x84/0x8e  \u003c/TASK\u003e  The buggy address belongs to the variable:  lacpdu_mcast_addr+0x0/0x40","modified":"2026-09-01T16:06:34.694864142Z","published":"2026-02-04T17:16:20.777Z","upstream":["CVE-2026-23099"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-23099"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.162-1"}]}],"versions":["6.1.106-1","6.1.106-2","6.1.106-3","6.1.112-1","6.1.115-1","6.1.119-1","6.1.123-1","6.1.124-1","6.1.128-1","6.1.129-1","6.1.133-1","6.1.135-1","6.1.137-1","6.1.139-1","6.1.140-1","6.1.147-1","6.1.148-1","6.1.153-1","6.1.158-1","6.1.159-1","6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1","6.1.85-1","6.1.90-1","6.1.90-1~bpo11+1","6.1.94-1","6.1.94-1~bpo11+1","6.1.98-1","6.1.99-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23099.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.69-1"}]}],"versions":["6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1~bpo12+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23099.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.18.8-1"}]}],"versions":["6.12.100-1","6.12.101-1","6.12.105-1","6.12.107-1","6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1","6.12.69-1~bpo12+1","6.12.73-1","6.12.73-1~bpo12+1","6.12.74-1","6.12.74-2","6.12.74-2~bpo12+1","6.12.85-1","6.12.85-1~bpo12+1","6.12.86-1","6.12.86-1~bpo12+1","6.12.88-1","6.12.88-1~bpo12+1","6.12.90-1","6.12.90-1~bpo12+1","6.12.90-2","6.12.90-2~bpo12+1","6.12.94-1","6.12.94-1~bpo12+1","6.12.95-1","6.12.95-1~bpo12+1","6.12.96-1","6.13.10-1~exp1","6.13.11-1~exp1","6.13.2-1~exp1","6.13.3-1~exp1","6.13.4-1~exp1","6.13.5-1~exp1","6.13.6-1~exp1","6.13.7-1~exp1","6.13.8-1~exp1","6.13.9-1~exp1","6.13~rc6-1~exp1","6.13~rc7-1~exp1","6.14.3-1~exp1","6.14.5-1~exp1","6.14.6-1~exp1","6.15-1~exp1","6.15.1-1~exp1","6.15.2-1~exp1","6.15.3-1~exp1","6.15.4-1~exp1","6.15.5-1~exp1","6.15.6-1~exp1","6.15~rc7-1~exp1","6.16-1~exp1","6.16.1-1~exp1","6.16.10-1","6.16.11-1","6.16.12-1","6.16.12-1~bpo13+1","6.16.12-2","6.16.3-1","6.16.3-1~bpo13+1","6.16.5-1","6.16.6-1","6.16.7-1","6.16.8-1","6.16.9-1","6.16~rc7-1~exp1","6.17.10-1","6.17.11-1","6.17.12-1","6.17.13-1","6.17.13-1~bpo13+1","6.17.2-1~exp1","6.17.5-1~exp1","6.17.6-1","6.17.7-1","6.17.7-2","6.17.8-1","6.17.8-1~bpo13+1","6.17.9-1","6.18.1-1~exp1","6.18.2-1~exp1","6.18.3-1","6.18.5-1","6.18.5-1~bpo13+1","6.18~rc4-1~exp1","6.18~rc4-1~exp2","6.18~rc5-1~exp1","6.18~rc6-1~exp1","6.18~rc7-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23099.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}