{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-36286", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-36286", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-06-21T10:18:08.364Z", "updatedAt": "2026-10-15T00:42:18.936Z", "importedAt": "2026-10-24T01:57:11.582Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()", "summary": "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->lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n #1: ffff88801ca92958 (&inst->lock){+.-.}-{2:2}, at: nfqnl_flush net/netfilter/nfnetlink_queue.c:405 [inline]\n #1: ffff88801ca92958 (&inst->lock){+.-.}-{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 \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 \n ", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "8658bd777cbfcb0c13df23d0ea120e70517761b9" }, { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "3989b817857f4890fab9379221a9d3f52bf5c256" }, { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "e01065b339e323b3dfa1be217fd89e9b3208b0ab" }, { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "25ea5377e3d2921a0f96ae2551f5ab1b36825dd4" }, { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "68f40354a3851df46c27be96b84f11ae193e36c5" }, { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "8f365564af898819a523f1a8cf5c6ce053e9f718" }, { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "215df6490e208bfdd5b3012f5075e7f8736f3e7a" }, { "version": "9872bec773c2e8503fec480c1e8a0c732517e257", "status": "affected", "versionType": "git", "lessThan": "dc21c6cc3d6986d938efbf95de62473982c98dec" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.25", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.25" }, { "version": "4.19.316", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.278", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.219", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.161", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.93", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.33", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.9.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.9.*" }, { "version": "6.10", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }