{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-57903",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-57903"
  ],
  "published": "2025-01-15T13:07:18Z",
  "summary": "net: restrict SO_REUSEPORT to inet sockets",
  "details": "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>",
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-57903"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/579cfa595af1e00ccc9c3a849a4add6bba8b4bad"
    },
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      "url": "https://git.kernel.org/stable/c/ad2ad4cd11af9d63187cd074314b71b7cf8a2a59"
    },
    {
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      "url": "https://git.kernel.org/stable/c/ad91a2dacbf8c26a446658cdd55e8324dfeff1e7"
    },
    {
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      "url": "https://git.kernel.org/stable/c/3257813a3ae7462ac5cde04e120806f0c0776850"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5b0af621c3f6ef9261cf6067812f2fd9943acb4b"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-24T06:48:58Z"
  }
}