{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "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 <IRQ>\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 </IRQ>\n <TASK>"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/netfilter/nfnetlink_queue.c"
               ],
               "versions": [
                  {
                     "version": "9872bec773c2",
                     "lessThan": "8658bd777cbf",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9872bec773c2",
                     "lessThan": "3989b817857f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9872bec773c2",
                     "lessThan": "e01065b339e3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9872bec773c2",
                     "lessThan": "25ea5377e3d2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9872bec773c2",
                     "lessThan": "68f40354a385",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9872bec773c2",
                     "lessThan": "8f365564af89",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9872bec773c2",
                     "lessThan": "215df6490e20",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9872bec773c2",
                     "lessThan": "dc21c6cc3d69",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/netfilter/nfnetlink_queue.c"
               ],
               "versions": [
                  {
                     "version": "2.6.25",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.25",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.316",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.278",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.219",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.161",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.93",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.33",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.4",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/8658bd777cbfcb0c13df23d0ea120e70517761b9"
            },
            {
               "url": "https://git.kernel.org/stable/c/3989b817857f4890fab9379221a9d3f52bf5c256"
            },
            {
               "url": "https://git.kernel.org/stable/c/e01065b339e323b3dfa1be217fd89e9b3208b0ab"
            },
            {
               "url": "https://git.kernel.org/stable/c/25ea5377e3d2921a0f96ae2551f5ab1b36825dd4"
            },
            {
               "url": "https://git.kernel.org/stable/c/68f40354a3851df46c27be96b84f11ae193e36c5"
            },
            {
               "url": "https://git.kernel.org/stable/c/8f365564af898819a523f1a8cf5c6ce053e9f718"
            },
            {
               "url": "https://git.kernel.org/stable/c/215df6490e208bfdd5b3012f5075e7f8736f3e7a"
            },
            {
               "url": "https://git.kernel.org/stable/c/dc21c6cc3d6986d938efbf95de62473982c98dec"
            }
         ],
         "title": "netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-36286",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}