[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-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":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2023-53558","In the Linux kernel, the following vulnerability has been resolved:  rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()  pr_info() is called with rtp->cbs_gbl_lock spin lock locked.  Because pr_info() calls printk() that might sleep, this will result in BUG like below:  [    0.206455] cblist_init_generic: Setting adjustable number of callback queues. [    0.206463] [    0.206464] ============================= [    0.206464] [ BUG: Invalid wait context ] [    0.206465] 5.19.0-00428-g9de1f9c8ca51 #5 Not tainted [    0.206466] ----------------------------- [    0.206466] swapper/0/1 is trying to lock: [    0.206467] ffffffffa0167a58 (&port_lock_key){....}-{3:3}, at: serial8250_console_write+0x327/0x4a0 [    0.206473] other info that might help us debug this: [    0.206473] context-{5:5} [    0.206474] 3 locks held by swapper/0/1: [    0.206474]  #0: ffffffff9eb597e0 (rcu_tasks.cbs_gbl_lock){....}-{2:2}, at: cblist_init_generic.constprop.0+0x14/0x1f0 [    0.206478]  #1: ffffffff9eb579c0 (console_lock){+.+.}-{0:0}, at: _printk+0x63/0x7e [    0.206482]  #2: ffffffff9ea77780 (console_owner){....}-{0:0}, at: console_emit_next_record.constprop.0+0x111/0x330 [    0.206485] stack backtrace: [    0.206486] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-00428-g9de1f9c8ca51 #5 [    0.206488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.fc36 04/01/2014 [    0.206489] Call Trace: [    0.206490]  \u003CTASK> [    0.206491]  dump_stack_lvl+0x6a/0x9f [    0.206493]  __lock_acquire.cold+0x2d7/0x2fe [    0.206496]  ? stack_trace_save+0x46/0x70 [    0.206497]  lock_acquire+0xd1/0x2f0 [    0.206499]  ? serial8250_console_write+0x327/0x4a0 [    0.206500]  ? __lock_acquire+0x5c7/0x2720 [    0.206502]  _raw_spin_lock_irqsave+0x3d/0x90 [    0.206504]  ? serial8250_console_write+0x327/0x4a0 [    0.206506]  serial8250_console_write+0x327/0x4a0 [    0.206508]  console_emit_next_record.constprop.0+0x180/0x330 [    0.206511]  console_unlock+0xf7/0x1f0 [    0.206512]  vprintk_emit+0xf7/0x330 [    0.206514]  _printk+0x63/0x7e [    0.206516]  cblist_init_generic.constprop.0.cold+0x24/0x32 [    0.206518]  rcu_init_tasks_generic+0x5/0xd9 [    0.206522]  kernel_init_freeable+0x15b/0x2a2 [    0.206523]  ? rest_init+0x160/0x160 [    0.206526]  kernel_init+0x11/0x120 [    0.206527]  ret_from_fork+0x1f/0x30 [    0.206530]  \u003C/TASK> [    0.207018] cblist_init_generic: Setting shift to 1 and lim to 1.  This patch moves pr_info() so that it is called without rtp->cbs_gbl_lock locked.",null,[],[],[],[14],{"_key":15},"CVE-2023-53558",[],[],[],"2025-10-04T16:15:51.163Z","2026-04-28T20:27:04.135393Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2023-53558",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},5.5,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",6,4.6,[40],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,52,55],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt6_1_52_1",true,"ecosystem","6.1.52-1","excluding",{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9},"lt6_4_11_1","6.4.11-1",{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9}]