{"id":"CVE-2024-58071","summary":"team: prevent adding a device which is already a team device lower","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nteam: prevent adding a device which is already a team device lower\n\nPrevent adding a device which is already a team device lower,\ne.g. adding veth0 if vlan1 was already added and veth0 is a lower of\nvlan1.\n\nThis is not useful in practice and can lead to recursive locking:\n\n$ ip link add veth0 type veth peer name veth1\n$ ip link set veth0 up\n$ ip link set veth1 up\n$ ip link add link veth0 name veth0.1 type vlan protocol 802.1Q id 1\n$ ip link add team0 type team\n$ ip link set veth0.1 down\n$ ip link set veth0.1 master team0\nteam0: Port device veth0.1 added\n$ ip link set veth0 down\n$ ip link set veth0 master team0\n\n============================================\nWARNING: possible recursive locking detected\n6.13.0-rc2-virtme-00441-ga14a429069bb #46 Not tainted\n--------------------------------------------\nip/7684 is trying to acquire lock:\nffff888016848e00 (team-\u003eteam_lock_key){+.+.}-{4:4}, at: team_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\n\nbut task is already holding lock:\nffff888016848e00 (team-\u003eteam_lock_key){+.+.}-{4:4}, at: team_add_slave (drivers/net/team/team_core.c:1147 drivers/net/team/team_core.c:1977)\n\nother info that might help us debug this:\nPossible unsafe locking scenario:\n\nCPU0\n----\nlock(team-\u003eteam_lock_key);\nlock(team-\u003eteam_lock_key);\n\n*** DEADLOCK ***\n\nMay be due to missing lock nesting notation\n\n2 locks held by ip/7684:\n\nstack backtrace:\nCPU: 3 UID: 0 PID: 7684 Comm: ip Not tainted 6.13.0-rc2-virtme-00441-ga14a429069bb #46\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nCall Trace:\n\u003cTASK\u003e\ndump_stack_lvl (lib/dump_stack.c:122)\nprint_deadlock_bug.cold (kernel/locking/lockdep.c:3040)\n__lock_acquire (kernel/locking/lockdep.c:3893 kernel/locking/lockdep.c:5226)\n? netlink_broadcast_filtered (net/netlink/af_netlink.c:1548)\nlock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)\n? team_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\n? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 2))\n? team_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\n? lock_acquire (kernel/locking/lockdep.c:5822)\n? team_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\n__mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)\n? team_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\n? team_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\n? fib_sync_up (net/ipv4/fib_semantics.c:2167)\n? team_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\nteam_device_event (drivers/net/team/team_core.c:2928 drivers/net/team/team_core.c:2951 drivers/net/team/team_core.c:2973)\nnotifier_call_chain (kernel/notifier.c:85)\ncall_netdevice_notifiers_info (net/core/dev.c:1996)\n__dev_notify_flags (net/core/dev.c:8993)\n? __dev_change_flags (net/core/dev.c:8975)\ndev_change_flags (net/core/dev.c:9027)\nvlan_device_event (net/8021q/vlan.c:85 net/8021q/vlan.c:470)\n? br_device_event (net/bridge/br.c:143)\nnotifier_call_chain (kernel/notifier.c:85)\ncall_netdevice_notifiers_info (net/core/dev.c:1996)\ndev_open (net/core/dev.c:1519 net/core/dev.c:1505)\nteam_add_slave (drivers/net/team/team_core.c:1219 drivers/net/team/team_core.c:1977)\n? __pfx_team_add_slave (drivers/net/team/team_core.c:1972)\ndo_set_master (net/core/rtnetlink.c:2917)\ndo_setlink.isra.0 (net/core/rtnetlink.c:3117)","modified":"2026-04-02T12:25:30.704201Z","published":"2025-03-06T15:54:10.950Z","related":["SUSE-SU-2025:01614-1","SUSE-SU-2025:01707-1","SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01964-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:1293-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20206-1","SUSE-SU-2025:20270-1","SUSE-SU-2025:20283-1","USN-7521-2"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58071.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0a7794b9ca78c8e7d001c583bf05736169de3f20"},{"type":"WEB","url":"https://git.kernel.org/stable/c/184a564e6000b41582f160a5be9a9b5aabe22ac1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1bb06f919fa5bec77ad9b6002525c3dcc5c1fd6c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3fff5da4ca2164bb4d0f1e6cd33f6eb8a0e73e50"},{"type":"WEB","url":"https://git.kernel.org/stable/c/62ff1615815d565448c37cb8a7a2a076492ec471"},{"type":"WEB","url":"https://git.kernel.org/stable/c/adff6ac889e16d97abd1e4543f533221127e978a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bd099a2fa9be983ba0e90a57a59484fe9d520ba8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d9bce1310c0e2a55888e3e08c9f69d8377b3a377"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58071.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-58071"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3d249d4ca7d0ed6629a135ea1ea21c72286c0d80"},{"fixed":"0a7794b9ca78c8e7d001c583bf05736169de3f20"},{"fixed":"62ff1615815d565448c37cb8a7a2a076492ec471"},{"fixed":"bd099a2fa9be983ba0e90a57a59484fe9d520ba8"},{"fixed":"adff6ac889e16d97abd1e4543f533221127e978a"},{"fixed":"184a564e6000b41582f160a5be9a9b5aabe22ac1"},{"fixed":"1bb06f919fa5bec77ad9b6002525c3dcc5c1fd6c"},{"fixed":"d9bce1310c0e2a55888e3e08c9f69d8377b3a377"},{"fixed":"3fff5da4ca2164bb4d0f1e6cd33f6eb8a0e73e50"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-58071.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}