{"id":"CVE-2024-36286","summary":"netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()\n\nsyzbot reported that nf_reinject() could be called without rcu_read_lock() :\n\nWARNING: suspicious RCU usage\n6.9.0-rc7-syzkaller-02060-g5c1672705a1a #0 Not tainted\n\nnet/netfilter/nfnetlink_queue.c:263 suspicious rcu_dereference_check() usage!\n\nother info that might help us debug this:\n\nrcu_scheduler_active = 2, debug_locks = 1\n2 locks held by syz-executor.4/13427:\n  #0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]\n  #0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, at: rcu_do_batch kernel/rcu/tree.c:2190 [inline]\n  #0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, at: rcu_core+0xa86/0x1830 kernel/rcu/tree.c:2471\n  #1: ffff88801ca92958 (&inst-\u003elock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n  #1: ffff88801ca92958 (&inst-\u003elock){+.-.}-{2:2}, at: nfqnl_flush net/netfilter/nfnetlink_queue.c:405 [inline]\n  #1: ffff88801ca92958 (&inst-\u003elock){+.-.}-{2:2}, at: instance_destroy_rcu+0x30/0x220 net/netfilter/nfnetlink_queue.c:172\n\nstack backtrace:\nCPU: 0 PID: 13427 Comm: syz-executor.4 Not tainted 6.9.0-rc7-syzkaller-02060-g5c1672705a1a #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024\nCall Trace:\n \u003cIRQ\u003e\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\n  lockdep_rcu_suspicious+0x221/0x340 kernel/locking/lockdep.c:6712\n  nf_reinject net/netfilter/nfnetlink_queue.c:323 [inline]\n  nfqnl_reinject+0x6ec/0x1120 net/netfilter/nfnetlink_queue.c:397\n  nfqnl_flush net/netfilter/nfnetlink_queue.c:410 [inline]\n  instance_destroy_rcu+0x1ae/0x220 net/netfilter/nfnetlink_queue.c:172\n  rcu_do_batch kernel/rcu/tree.c:2196 [inline]\n  rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2471\n  handle_softirqs+0x2d6/0x990 kernel/softirq.c:554\n  __do_softirq kernel/softirq.c:588 [inline]\n  invoke_softirq kernel/softirq.c:428 [inline]\n  __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637\n  irq_exit_rcu+0x9/0x30 kernel/softirq.c:649\n  instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]\n  sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043\n \u003c/IRQ\u003e\n \u003cTASK\u003e","modified":"2026-04-16T04:35:34.398216029Z","published":"2024-06-21T10:18:08.364Z","related":["SUSE-SU-2024:3189-1","SUSE-SU-2024:3190-1","SUSE-SU-2024:3194-1","SUSE-SU-2024:3195-1","SUSE-SU-2024:3209-1","SUSE-SU-2024:3251-1","SUSE-SU-2024:3252-1","SUSE-SU-2024:3383-1","SUSE-SU-2024:3483-1","SUSE-SU-2025:20044-1","SUSE-SU-2025:20047-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36286.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/215df6490e208bfdd5b3012f5075e7f8736f3e7a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/25ea5377e3d2921a0f96ae2551f5ab1b36825dd4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3989b817857f4890fab9379221a9d3f52bf5c256"},{"type":"WEB","url":"https://git.kernel.org/stable/c/68f40354a3851df46c27be96b84f11ae193e36c5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8658bd777cbfcb0c13df23d0ea120e70517761b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8f365564af898819a523f1a8cf5c6ce053e9f718"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc21c6cc3d6986d938efbf95de62473982c98dec"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e01065b339e323b3dfa1be217fd89e9b3208b0ab"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36286.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36286"},{"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":"9872bec773c2e8503fec480c1e8a0c732517e257"},{"fixed":"8658bd777cbfcb0c13df23d0ea120e70517761b9"},{"fixed":"3989b817857f4890fab9379221a9d3f52bf5c256"},{"fixed":"e01065b339e323b3dfa1be217fd89e9b3208b0ab"},{"fixed":"25ea5377e3d2921a0f96ae2551f5ab1b36825dd4"},{"fixed":"68f40354a3851df46c27be96b84f11ae193e36c5"},{"fixed":"8f365564af898819a523f1a8cf5c6ce053e9f718"},{"fixed":"215df6490e208bfdd5b3012f5075e7f8736f3e7a"},{"fixed":"dc21c6cc3d6986d938efbf95de62473982c98dec"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36286.json"}}],"schema_version":"1.7.5"}