[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2023-53558":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":18,"aliases":19,"duplicate_of":9,"upstream":20,"downstream":21,"duplicates":50,"related":51,"reserved_at":9,"published_at":62,"modified_at":63,"state":64,"summary":65,"references_raw":74,"kevs":89,"epss":90,"epss_history":93,"metrics":359,"affected":365},"CVE-2023-53558","In the Linux kernel, the following vulnerability has been resolved:\n\nrcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()\n\npr_info() is called with rtp->cbs_gbl_lock spin lock locked.  Because\npr_info() calls printk() that might sleep, this will result in BUG\nlike below:\n\n[    0.206455] cblist_init_generic: Setting adjustable number of callback queues.\n[    0.206463]\n[    0.206464] =============================\n[    0.206464] [ BUG: Invalid wait context ]\n[    0.206465] 5.19.0-00428-g9de1f9c8ca51 #5 Not tainted\n[    0.206466] -----------------------------\n[    0.206466] swapper/0/1 is trying to lock:\n[    0.206467] ffffffffa0167a58 (&port_lock_key){....}-{3:3}, at: serial8250_console_write+0x327/0x4a0\n[    0.206473] other info that might help us debug this:\n[    0.206473] context-{5:5}\n[    0.206474] 3 locks held by swapper/0/1:\n[    0.206474]  #0: ffffffff9eb597e0 (rcu_tasks.cbs_gbl_lock){....}-{2:2}, at: cblist_init_generic.constprop.0+0x14/0x1f0\n[    0.206478]  #1: ffffffff9eb579c0 (console_lock){+.+.}-{0:0}, at: _printk+0x63/0x7e\n[    0.206482]  #2: ffffffff9ea77780 (console_owner){....}-{0:0}, at: console_emit_next_record.constprop.0+0x111/0x330\n[    0.206485] stack backtrace:\n[    0.206486] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-00428-g9de1f9c8ca51 #5\n[    0.206488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.fc36 04/01/2014\n[    0.206489] Call Trace:\n[    0.206490]  \u003CTASK>\n[    0.206491]  dump_stack_lvl+0x6a/0x9f\n[    0.206493]  __lock_acquire.cold+0x2d7/0x2fe\n[    0.206496]  ? stack_trace_save+0x46/0x70\n[    0.206497]  lock_acquire+0xd1/0x2f0\n[    0.206499]  ? serial8250_console_write+0x327/0x4a0\n[    0.206500]  ? __lock_acquire+0x5c7/0x2720\n[    0.206502]  _raw_spin_lock_irqsave+0x3d/0x90\n[    0.206504]  ? serial8250_console_write+0x327/0x4a0\n[    0.206506]  serial8250_console_write+0x327/0x4a0\n[    0.206508]  console_emit_next_record.constprop.0+0x180/0x330\n[    0.206511]  console_unlock+0xf7/0x1f0\n[    0.206512]  vprintk_emit+0xf7/0x330\n[    0.206514]  _printk+0x63/0x7e\n[    0.206516]  cblist_init_generic.constprop.0.cold+0x24/0x32\n[    0.206518]  rcu_init_tasks_generic+0x5/0xd9\n[    0.206522]  kernel_init_freeable+0x15b/0x2a2\n[    0.206523]  ? rest_init+0x160/0x160\n[    0.206526]  kernel_init+0x11/0x120\n[    0.206527]  ret_from_fork+0x1f/0x30\n[    0.206530]  \u003C/TASK>\n[    0.207018] cblist_init_generic: Setting shift to 1 and lim to 1.\n\nThis patch moves pr_info() so that it is called without\nrtp->cbs_gbl_lock locked.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":9,"likelihood_of_exploit":9,"capec":17},"NVD-CWE-NOINFO","Insufficient Information","NVD uses this CWE ID when there is insufficient information to assign a specific 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