cve-2024-38589
Vulnerability from cvelistv5
Published
2024-06-19 13:45
Modified
2024-09-11 17:34
Severity
Summary
netrom: fix possible dead-lock in nr_rt_ioctl()
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1fbfb483c1a290dce3f41f52d45cc46dd88b7691
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3db2fc45d1d2a6457f06ebdfd45b9820e5b5c2b7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/421c50fa81836775bf0fd6ce0e57a6eb27af24d5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5bc50a705cfac8f64ce51c95611c3dd0554ef9c3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5fb7e2a4335fc67d6952ad2a6613c46e0b05f7c5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b117e5b4f27c2c9076561b6be450a9619f0b79de
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b9d663fbf74290cb68fbc66ae4367bd56837ad1d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e03e7f20ebf7e1611d40d1fdc1bde900fd3335f6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f28bdc2ee5d9300cc77bd3d97b5b3cdd14960fd8
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: fix possible dead-lock in nr_rt_ioctl()\n\nsyzbot loves netrom, and found a possible deadlock in nr_rt_ioctl [1]\n\nMake sure we always acquire nr_node_list_lock before nr_node_lock(nr_node)\n\n[1]\nWARNING: possible circular locking dependency detected\n6.9.0-rc7-syzkaller-02147-g654de42f3fc6 #0 Not tainted\n------------------------------------------------------\nsyz-executor350/5129 is trying to acquire lock:\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_node_lock include/net/netrom.h:152 [inline]\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:464 [inline]\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697\n\nbut task is already holding lock:\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_rt_ioctl+0x10a/0x1090 net/netrom/nr_route.c:697\n\nwhich lock already depends on the new lock.\n\nthe existing dependency chain (in reverse order) is:\n\n-\u003e #1 (nr_node_list_lock){+...}-{2:2}:\n        lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754\n        __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]\n        _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178\n        spin_lock_bh include/linux/spinlock.h:356 [inline]\n        nr_remove_node net/netrom/nr_route.c:299 [inline]\n        nr_del_node+0x4b4/0x820 net/netrom/nr_route.c:355\n        nr_rt_ioctl+0xa95/0x1090 net/netrom/nr_route.c:683\n        sock_do_ioctl+0x158/0x460 net/socket.c:1222\n        sock_ioctl+0x629/0x8e0 net/socket.c:1341\n        vfs_ioctl fs/ioctl.c:51 [inline]\n        __do_sys_ioctl fs/ioctl.c:904 [inline]\n        __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\n        do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n        do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n       entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\n-\u003e #0 (\u0026nr_node-\u003enode_lock){+...}-{2:2}:\n        check_prev_add kernel/locking/lockdep.c:3134 [inline]\n        check_prevs_add kernel/locking/lockdep.c:3253 [inline]\n        validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869\n        __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137\n        lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754\n        __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]\n        _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178\n        spin_lock_bh include/linux/spinlock.h:356 [inline]\n        nr_node_lock include/net/netrom.h:152 [inline]\n        nr_dec_obs net/netrom/nr_route.c:464 [inline]\n        nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697\n        sock_do_ioctl+0x158/0x460 net/socket.c:1222\n        sock_ioctl+0x629/0x8e0 net/socket.c:1341\n        vfs_ioctl fs/ioctl.c:51 [inline]\n        __do_sys_ioctl fs/ioctl.c:904 [inline]\n        __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\n        do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n        do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n       entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nother info that might help us debug this:\n\n Possible unsafe locking scenario:\n\n       CPU0                    CPU1\n       ----                    ----\n  lock(nr_node_list_lock);\n                               lock(\u0026nr_node-\u003enode_lock);\n                               lock(nr_node_list_lock);\n  lock(\u0026nr_node-\u003enode_lock);\n\n *** DEADLOCK ***\n\n1 lock held by syz-executor350/5129:\n  #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n  #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]\n  #0: ffffffff8f70\n---truncated---"
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      "title": "netrom: fix possible dead-lock in nr_rt_ioctl()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-38589",
    "datePublished": "2024-06-19T13:45:41.258Z",
    "dateReserved": "2024-06-18T19:36:34.930Z",
    "dateUpdated": "2024-09-11T17:34:54.971Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-38589\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T14:15:19.000\",\"lastModified\":\"2024-07-15T07:15:11.207\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetrom: fix possible dead-lock in nr_rt_ioctl()\\n\\nsyzbot loves netrom, and found a possible deadlock in nr_rt_ioctl [1]\\n\\nMake sure we always acquire nr_node_list_lock before nr_node_lock(nr_node)\\n\\n[1]\\nWARNING: possible circular locking dependency detected\\n6.9.0-rc7-syzkaller-02147-g654de42f3fc6 #0 Not tainted\\n------------------------------------------------------\\nsyz-executor350/5129 is trying to acquire lock:\\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_node_lock include/net/netrom.h:152 [inline]\\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:464 [inline]\\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697\\n\\nbut task is already holding lock:\\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]\\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_rt_ioctl+0x10a/0x1090 net/netrom/nr_route.c:697\\n\\nwhich lock already depends on the new lock.\\n\\nthe existing dependency chain (in reverse order) is:\\n\\n-\u003e #1 (nr_node_list_lock){+...}-{2:2}:\\n        lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754\\n        __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]\\n        _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178\\n        spin_lock_bh include/linux/spinlock.h:356 [inline]\\n        nr_remove_node net/netrom/nr_route.c:299 [inline]\\n        nr_del_node+0x4b4/0x820 net/netrom/nr_route.c:355\\n        nr_rt_ioctl+0xa95/0x1090 net/netrom/nr_route.c:683\\n        sock_do_ioctl+0x158/0x460 net/socket.c:1222\\n        sock_ioctl+0x629/0x8e0 net/socket.c:1341\\n        vfs_ioctl fs/ioctl.c:51 [inline]\\n        __do_sys_ioctl fs/ioctl.c:904 [inline]\\n        __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\\n        do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n        do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\\n       entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\n-\u003e #0 (\u0026nr_node-\u003enode_lock){+...}-{2:2}:\\n        check_prev_add kernel/locking/lockdep.c:3134 [inline]\\n        check_prevs_add kernel/locking/lockdep.c:3253 [inline]\\n        validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869\\n        __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137\\n        lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754\\n        __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]\\n        _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178\\n        spin_lock_bh include/linux/spinlock.h:356 [inline]\\n        nr_node_lock include/net/netrom.h:152 [inline]\\n        nr_dec_obs net/netrom/nr_route.c:464 [inline]\\n        nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697\\n        sock_do_ioctl+0x158/0x460 net/socket.c:1222\\n        sock_ioctl+0x629/0x8e0 net/socket.c:1341\\n        vfs_ioctl fs/ioctl.c:51 [inline]\\n        __do_sys_ioctl fs/ioctl.c:904 [inline]\\n        __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\\n        do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n        do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\\n       entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nother info that might help us debug this:\\n\\n Possible unsafe locking scenario:\\n\\n       CPU0                    CPU1\\n       ----                    ----\\n  lock(nr_node_list_lock);\\n                               lock(\u0026nr_node-\u003enode_lock);\\n                               lock(nr_node_list_lock);\\n  lock(\u0026nr_node-\u003enode_lock);\\n\\n *** DEADLOCK ***\\n\\n1 lock held by syz-executor350/5129:\\n  #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\\n  #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]\\n  #0: ffffffff8f70\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netrom: solucion\u00f3 un posible bloqueo en nr_rt_ioctl() syzbot ama netrom y encontr\u00f3 un posible bloqueo en nr_rt_ioctl [1] Aseg\u00farese de adquirir siempre nr_node_list_lock antes de nr_node_lock(nr_node) [1 ] ADVERTENCIA: se detect\u00f3 posible dependencia de bloqueo circular 6.9.0-rc7-syzkaller-02147-g654de42f3fc6 #0 No contaminado --------------------- --------------------- syz-executor350/5129 est\u00e1 intentando adquirir el bloqueo: ffff8880186e2070 (\u0026amp;nr_node-\u0026gt;node_lock){+... }-{2:2}, en: spin_lock_bh include/linux/spinlock.h:356 [en l\u00ednea] ffff8880186e2070 (\u0026amp;nr_node-\u0026gt;node_lock){+...}-{2:2}, en: nr_node_lock include/net/ netrom.h:152 [en l\u00ednea] ffff8880186e2070 (\u0026amp;nr_node-\u0026gt;node_lock){+...}-{2:2}, en: nr_dec_obs net/netrom/nr_route.c:464 [en l\u00ednea] ffff8880186e2070 (\u0026amp;nr_node-\u0026gt;node_lock) {+...}-{2:2}, en: nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697 pero la tarea ya est\u00e1 bloqueada: fffffffff8f7053b8 (nr_node_list_lock){+...}-{2: 2}, en: spin_lock_bh include/linux/spinlock.h:356 [en l\u00ednea] fffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, en: nr_dec_obs net/netrom/nr_route.c:462 [en l\u00ednea] ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, en: nr_rt_ioctl+0x10a/0x1090 net/netrom/nr_route.c:697 cuyo bloqueo ya depende del nuevo bloqueo. la cadena de dependencia existente (en orden inverso) es: -\u0026gt; #1 (nr_node_list_lock){+...}-{2:2}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/ spinlock_api_smp.h:126 [en l\u00ednea] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [en l\u00ednea] nr_remove_node net/netrom/nr_route.c:299 [en l\u00ednea] nr_del_node+ 0x4b4/0x820 net/netrom/nr_route.c:355 nr_rt_ioctl+0xa95/0x1090 net/netrom/nr_route.c:683 sock_do_ioctl+0x158/0x460 net/socket.c:1222 sock_ioctl+0x629/0x8e0 net/socket.c:13 41 vfs_ioctl fs/ioctl.c:51 [en l\u00ednea] __do_sys_ioctl fs/ioctl.c:904 [en l\u00ednea] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64 +0xf5/0x240 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f -\u0026gt; #0 (\u0026amp;nr_node-\u0026gt;node_lock){+...}-{2:2}: check_prev_add kernel/locking/lockdep. c:3134 [en l\u00ednea] check_prevs_add kernel/locking/lockdep.c:3253 [en l\u00ednea] validar_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed /0x550 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [en l\u00ednea] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [en l\u00ednea ] nr_node_lock include/net/netrom.h:152 [en l\u00ednea] nr_dec_obs net/netrom/nr_route.c:464 [en l\u00ednea] nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697 sock_do_ioctl+0x158/0x460 net/socket. c:1222 sock_ioctl+0x629/0x8e0 net/socket.c:1341 vfs_ioctl fs/ioctl.c:51 [en l\u00ednea] __do_sys_ioctl fs/ioctl.c:904 [en l\u00ednea] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890 llamada_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f otra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto: Posible escenario de bloqueo inseguro: CPU0 CPU1 ---- ---- bloqueo(nr_node_list_lock); bloquear(\u0026amp;nr_nodo-\u0026gt;nodo_lock); bloquear(nr_node_list_lock); bloquear(\u0026amp;nr_nodo-\u0026gt;nodo_lock); *** DEADLOCK *** 1 bloqueo retenido por syz-executor350/5129: #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, en: spin_lock_bh include/linux/spinlock.h:356 [ en l\u00ednea] #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, en: nr_dec_obs net/netrom/nr_route.c:462 [en l\u00ednea] #0: ffffffff8f70 ---truncado---\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1fbfb483c1a290dce3f41f52d45cc46dd88b7691\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3db2fc45d1d2a6457f06ebdfd45b9820e5b5c2b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/421c50fa81836775bf0fd6ce0e57a6eb27af24d5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5bc50a705cfac8f64ce51c95611c3dd0554ef9c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5fb7e2a4335fc67d6952ad2a6613c46e0b05f7c5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b117e5b4f27c2c9076561b6be450a9619f0b79de\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b9d663fbf74290cb68fbc66ae4367bd56837ad1d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e03e7f20ebf7e1611d40d1fdc1bde900fd3335f6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f28bdc2ee5d9300cc77bd3d97b5b3cdd14960fd8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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