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cvelist/2024/38xxx/CVE-2024-38589.json
CVE Team f4fc5cf7dc
"-Synchronized-Data."
2024-11-05 10:01:30 +00:00

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{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-38589",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"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---"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "1da177e4c3f4",
"version_value": "b9d663fbf742"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "2.6.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.12",
"status": "unaffected",
"versionType": "semver"
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{
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"lessThanOrEqual": "4.19.*",
"status": "unaffected",
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{
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"lessThanOrEqual": "5.4.*",
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"lessThanOrEqual": "5.15.*",
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{
"version": "6.1.93",
"lessThanOrEqual": "6.1.*",
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{
"version": "6.6.33",
"lessThanOrEqual": "6.6.*",
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{
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"lessThanOrEqual": "6.8.*",
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{
"version": "6.9.3",
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{
"version": "6.10",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
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],
"defaultStatus": "affected"
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}
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}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/b9d663fbf74290cb68fbc66ae4367bd56837ad1d",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/b9d663fbf74290cb68fbc66ae4367bd56837ad1d"
},
{
"url": "https://git.kernel.org/stable/c/1fbfb483c1a290dce3f41f52d45cc46dd88b7691",
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{
"url": "https://git.kernel.org/stable/c/b117e5b4f27c2c9076561b6be450a9619f0b79de",
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{
"url": "https://git.kernel.org/stable/c/3db2fc45d1d2a6457f06ebdfd45b9820e5b5c2b7",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/3db2fc45d1d2a6457f06ebdfd45b9820e5b5c2b7"
},
{
"url": "https://git.kernel.org/stable/c/f28bdc2ee5d9300cc77bd3d97b5b3cdd14960fd8",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/f28bdc2ee5d9300cc77bd3d97b5b3cdd14960fd8"
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{
"url": "https://git.kernel.org/stable/c/5fb7e2a4335fc67d6952ad2a6613c46e0b05f7c5",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/5fb7e2a4335fc67d6952ad2a6613c46e0b05f7c5"
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{
"url": "https://git.kernel.org/stable/c/5bc50a705cfac8f64ce51c95611c3dd0554ef9c3",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/5bc50a705cfac8f64ce51c95611c3dd0554ef9c3"
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{
"url": "https://git.kernel.org/stable/c/e03e7f20ebf7e1611d40d1fdc1bde900fd3335f6",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/e03e7f20ebf7e1611d40d1fdc1bde900fd3335f6"
}
]
},
"generator": {
"engine": "bippy-9e1c9544281a"
}
}
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