2025-01-19 03:03:47 +00:00

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{
"id": "CVE-2024-57903",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-01-15T13:15:14.973",
"lastModified": "2025-01-15T13:15:14.973",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: restrict SO_REUSEPORT to inet sockets\n\nAfter blamed commit, crypto sockets could accidentally be destroyed\nfrom RCU call back, as spotted by zyzbot [1].\n\nTrying to acquire a mutex in RCU callback is not allowed.\n\nRestrict SO_REUSEPORT socket option to inet sockets.\n\nv1 of this patch supported TCP, UDP and SCTP sockets,\nbut fcnal-test.sh test needed RAW and ICMP support.\n\n[1]\nBUG: sleeping function called from invalid context at kernel/locking/mutex.c:562\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 24, name: ksoftirqd/1\npreempt_count: 100, expected: 0\nRCU nest depth: 0, expected: 0\n1 lock held by ksoftirqd/1/24:\n #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]\n #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, at: rcu_do_batch kernel/rcu/tree.c:2561 [inline]\n #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, at: rcu_core+0xa37/0x17a0 kernel/rcu/tree.c:2823\nPreemption disabled at:\n [<ffffffff8161c8c8>] softirq_handle_begin kernel/softirq.c:402 [inline]\n [<ffffffff8161c8c8>] handle_softirqs+0x128/0x9b0 kernel/softirq.c:537\nCPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc3-syzkaller-00174-ga024e377efed #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n __might_resched+0x5d4/0x780 kernel/sched/core.c:8758\n __mutex_lock_common kernel/locking/mutex.c:562 [inline]\n __mutex_lock+0x131/0xee0 kernel/locking/mutex.c:735\n crypto_put_default_null_skcipher+0x18/0x70 crypto/crypto_null.c:179\n aead_release+0x3d/0x50 crypto/algif_aead.c:489\n alg_do_release crypto/af_alg.c:118 [inline]\n alg_sock_destruct+0x86/0xc0 crypto/af_alg.c:502\n __sk_destruct+0x58/0x5f0 net/core/sock.c:2260\n rcu_do_batch kernel/rcu/tree.c:2567 [inline]\n rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2823\n handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561\n run_ksoftirqd+0xca/0x130 kernel/softirq.c:950\n smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164\n kthread+0x2f0/0x390 kernel/kthread.c:389\n ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n </TASK>"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: restringir SO_REUSEPORT a sockets inet Despu\u00e9s de la confirmaci\u00f3n culpada, los sockets criptogr\u00e1ficos podr\u00edan destruirse accidentalmente desde la devoluci\u00f3n de llamada de RCU, como lo detect\u00f3 zyzbot [1]. Intentar adquirir un mutex en la devoluci\u00f3n de llamada de RCU no est\u00e1 permitido. Restringir la opci\u00f3n de socket SO_REUSEPORT a los sockets inet. La v1 de este parche admit\u00eda sockets TCP, UDP y SCTP, pero la prueba fcnal-test.sh necesitaba compatibilidad con RAW e ICMP. [1] ERROR: funci\u00f3n inactiva llamada desde un contexto no v\u00e1lido en kernel/locking/mutex.c:562 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 24, name: ksoftirqd/1 preempt_count: 100, expected: 0 Profundidad de anidaci\u00f3n de RCU: 0, expected: 0 1 bloqueo retenido por ksoftirqd/1/24: #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, en: rcu_lock_acquire include/linux/rcupdate.h:337 [en l\u00ednea] #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, en: rcu_do_batch kernel/rcu/tree.c:2561 [en l\u00ednea] #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, en: rcu_core+0xa37/0x17a0 kernel/rcu/tree.c:2823 Preempci\u00f3n deshabilitada en: [] softirq_handle_begin kernel/softirq.c:402 [en l\u00ednea] [] handle_softirqs+0x128/0x9b0 kernel/softirq.c:537 CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 No contaminado 6.13.0-rc3-syzkaller-00174-ga024e377efed #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024 Llamada Rastro: __dump_stack lib/dump_stack.c:94 [en l\u00ednea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 __might_resched+0x5d4/0x780 kernel/sched/core.c:8758 __mutex_lock_common kernel/locking/mutex.c:562 [en l\u00ednea] __mutex_lock+0x131/0xee0 kernel/locking/mutex.c:735 crypto_put_default_null_skcipher+0x18/0x70 crypto/crypto_null.c:179 aead_release+0x3d/0x50 crypto/algif_aead.c:489 alg_do_release crypto/af_alg.c:118 [en l\u00ednea] alg_sock_destruct+0x86/0xc0 crypto/af_alg.c:502 __sk_destruct+0x58/0x5f0 net/core/sock.c:2260 rcu_do_batch kernel/rcu/tree.c:2567 [en l\u00ednea] rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2823 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 "
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/3257813a3ae7462ac5cde04e120806f0c0776850",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/579cfa595af1e00ccc9c3a849a4add6bba8b4bad",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5b0af621c3f6ef9261cf6067812f2fd9943acb4b",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ad2ad4cd11af9d63187cd074314b71b7cf8a2a59",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ad91a2dacbf8c26a446658cdd55e8324dfeff1e7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}