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nvd-json-data-feeds/CVE-2024/CVE-2024-385xx/CVE-2024-38589.json
cad-safe-bot 25df1bec2e Auto-Update: 2025-01-10T19:00:20.587181+00:00
2025-01-10 19:03:46 +00:00

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{
"id": "CVE-2024-38589",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-06-19T14:15:19.000",
"lastModified": "2025-01-10T18:18:16.900",
"vulnStatus": "Analyzed",
"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 (&nr_node->node_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, at: nr_node_lock include/net/netrom.h:152 [inline]\n ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:464 [inline]\n ffff8880186e2070 (&nr_node->node_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-> #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-> #0 (&nr_node->node_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(&nr_node->node_lock);\n lock(nr_node_list_lock);\n lock(&nr_node->node_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 (&nr_node->node_lock){+... }-{2:2}, en: spin_lock_bh include/linux/spinlock.h:356 [en l\u00ednea] ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, en: nr_node_lock include/net/ netrom.h:152 [en l\u00ednea] ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, en: nr_dec_obs net/netrom/nr_route.c:464 [en l\u00ednea] ffff8880186e2070 (&nr_node->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: -> #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 -> #0 (&nr_node->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(&nr_nodo->nodo_lock); bloquear(nr_node_list_lock); bloquear(&nr_nodo->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": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-667"
}
]
}
],
"configurations": [
{
"nodes": [
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"negate": false,
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