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                  "vulnerable": true
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free of share_conf in compound request\n\nsmb2_get_ksmbd_tcon() reuses work-\u003etcon in compound requests without\nvalidating tcon-\u003et_state. ksmbd_tree_conn_lookup() checks t_state ==\nTREE_CONNECTED on the initial lookup path, but the compound reuse path\nbypasses this check entirely.\n\nIf a prior command in the compound (SMB2_TREE_DISCONNECT) sets t_state\nto TREE_DISCONNECTED and frees share_conf via ksmbd_share_config_put(),\nsubsequent commands dereference the freed share_conf through\nwork-\u003etcon-\u003eshare_conf.\n\nKASAN report:\n\n[    4.144653] ==================================================================\n[    4.145059] BUG: KASAN: slab-use-after-free in smb2_write+0xc74/0xe70\n[    4.145415] Read of size 4 at addr ffff88810430c194 by task kworker/1:1/44\n[    4.145772]\n[    4.145867] CPU: 1 UID: 0 PID: 44 Comm: kworker/1:1 Not tainted 7.0.0-rc3+ #60 PREEMPTLAZY\n[    4.145871] Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[    4.145875] Workqueue: ksmbd-io handle_ksmbd_work\n[    4.145888] Call Trace:\n[    4.145892]  \u003cTASK\u003e\n[    4.145894]  dump_stack_lvl+0x64/0x80\n[    4.145910]  print_report+0xce/0x660\n[    4.145919]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[    4.145928]  ? smb2_write+0xc74/0xe70\n[    4.145931]  kasan_report+0xce/0x100\n[    4.145934]  ? smb2_write+0xc74/0xe70\n[    4.145937]  smb2_write+0xc74/0xe70\n[    4.145939]  ? __pfx_smb2_write+0x10/0x10\n[    4.145942]  ? _raw_spin_unlock+0xe/0x30\n[    4.145945]  ? ksmbd_smb2_check_message+0xeb2/0x24c0\n[    4.145948]  ? smb2_tree_disconnect+0x31c/0x480\n[    4.145951]  handle_ksmbd_work+0x40f/0x1080\n[    4.145953]  process_one_work+0x5fa/0xef0\n[    4.145962]  ? assign_work+0x122/0x3e0\n[    4.145964]  worker_thread+0x54b/0xf70\n[    4.145967]  ? __pfx_worker_thread+0x10/0x10\n[    4.145970]  kthread+0x346/0x470\n[    4.145976]  ? recalc_sigpending+0x19b/0x230\n[    4.145980]  ? __pfx_kthread+0x10/0x10\n[    4.145984]  ret_from_fork+0x4fb/0x6c0\n[    4.145992]  ? __pfx_ret_from_fork+0x10/0x10\n[    4.145995]  ? __switch_to+0x36c/0xbe0\n[    4.145999]  ? __pfx_kthread+0x10/0x10\n[    4.146003]  ret_from_fork_asm+0x1a/0x30\n[    4.146013]  \u003c/TASK\u003e\n[    4.146014]\n[    4.149858] Allocated by task 44:\n[    4.149953]  kasan_save_stack+0x33/0x60\n[    4.150061]  kasan_save_track+0x14/0x30\n[    4.150169]  __kasan_kmalloc+0x8f/0xa0\n[    4.150274]  ksmbd_share_config_get+0x1dd/0xdd0\n[    4.150401]  ksmbd_tree_conn_connect+0x7e/0x600\n[    4.150529]  smb2_tree_connect+0x2e6/0x1000\n[    4.150645]  handle_ksmbd_work+0x40f/0x1080\n[    4.150761]  process_one_work+0x5fa/0xef0\n[    4.150873]  worker_thread+0x54b/0xf70\n[    4.150978]  kthread+0x346/0x470\n[    4.151071]  ret_from_fork+0x4fb/0x6c0\n[    4.151176]  ret_from_fork_asm+0x1a/0x30\n[    4.151286]\n[    4.151332] Freed by task 44:\n[    4.151418]  kasan_save_stack+0x33/0x60\n[    4.151526]  kasan_save_track+0x14/0x30\n[    4.151634]  kasan_save_free_info+0x3b/0x60\n[    4.151751]  __kasan_slab_free+0x43/0x70\n[    4.151861]  kfree+0x1ca/0x430\n[    4.151952]  __ksmbd_tree_conn_disconnect+0xc8/0x190\n[    4.152088]  smb2_tree_disconnect+0x1cd/0x480\n[    4.152211]  handle_ksmbd_work+0x40f/0x1080\n[    4.152326]  process_one_work+0x5fa/0xef0\n[    4.152438]  worker_thread+0x54b/0xf70\n[    4.152545]  kthread+0x346/0x470\n[    4.152638]  ret_from_fork+0x4fb/0x6c0\n[    4.152743]  ret_from_fork_asm+0x1a/0x30\n[    4.152853]\n[    4.152900] The buggy address belongs to the object at ffff88810430c180\n[    4.152900]  which belongs to the cache kmalloc-96 of size 96\n[    4.153226] The buggy address is located 20 bytes inside of\n[    4.153226]  freed 96-byte region [ffff88810430c180, ffff88810430c1e0)\n[    4.153549]\n[    4.153596] The buggy address belongs to the physical page:\n[    4.153750] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88810430ce80 pfn:0x10430c\n[    4.154000] flags: 0x\n---truncated---"
        }
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          "cvssV3_1": {
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      "title": "ksmbd: fix use-after-free of share_conf in compound request",
      "x_generator": {
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  "cveMetadata": {
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    "dateUpdated": "2026-05-11T22:06:54.590Z",
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      "title": "net: usb: aqc111: Do not perform PM inside suspend callback",
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    "datePublished": "2026-04-03T15:15:29.863Z",
    "dateReserved": "2026-01-13T15:37:46.019Z",
    "dateUpdated": "2026-05-11T22:07:04.293Z",
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