CVE-2023-53558
published 2025-10-04CVE-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…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.13%
3.3th percentile
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]
[ 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+0x24/0x
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.52-1 (bookworm) | linux 6.1.52-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= ab97152f88a4d580b89f0b7cc3028ffac438216f < 9027d69221ff96e1356f070f7feb2ff989ae7388 | 9027d69221ff96e1356f070f7feb2ff989ae7388 |
| linux | linux | >= ab97152f88a4d580b89f0b7cc3028ffac438216f < ea9b81c7d9104040b46a84d2303045de267f5557 | ea9b81c7d9104040b46a84d2303045de267f5557 |
| linux | linux | >= ab97152f88a4d580b89f0b7cc3028ffac438216f < 5fc8cbe4cf0fd34ded8045c385790c3bf04f6785 | 5fc8cbe4cf0fd34ded8045c385790c3bf04f6785 |
| linux | linux_kernel | >= 0 < 6.1.52-1 | 6.1.52-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 5.17 < 6.1.42 | 6.1.42 |
| linux | linux_kernel | >= 6.2 < 6.4.7 | 6.4.7 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
kernel: rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()
vendor_redhat·2025-10-04·CVSS 5.5
CVE-2023-53558 [MEDIUM] CWE-1322 kernel: rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()
kernel: rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()
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
Debian
CVE-2023-53558: linux - In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: ...
vendor_debian·2023·CVSS 5.5
CVE-2023-53558 [MEDIUM] CVE-2023-53558: linux - In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: ...
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 hel
GHSA
GHSA-449w-38pp-j3qp: 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
ghsa_unreviewed·2025-10-04
CVE-2023-53558 [MEDIUM] GHSA-449w-38pp-j3qp: 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
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
OSV
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 ca
osv·2025-10-04·CVSS 5.5
CVE-2023-53558 [MEDIUM] 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 ca
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 hel
No detection rules found.
No public exploits indexed.
2025-10-04
Published