🛡️ CVE-2023-53712 — kernel

⚪ Unknown ✅ No Known Exploit NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

ARM: 9317/1: kexec: Make smp stop calls asynchronous

In the Linux kernel, the following vulnerability has been resolved:

ARM: 9317/1: kexec: Make smp stop calls asynchronous

If a panic is triggered by a hrtimer interrupt all online cpus will be

notified and set offline. But as highlighted by commit 19dbdcb8039c

("smp: Warn on function calls from softirq context") this call should

not be made synchronous with disabled interrupts:

softdog: Initiating panic

Kernel panic - not syncing: Software Watchdog Timer expired

WARNING: CPU: 1 PID: 0 at kernel/smp.c:753 smp_call_function_many_cond

unwind_backtrace:

show_stack

dump_stack_lvl

__warn

warn_slowpath_fmt

smp_call_function_many_cond

smp_call_function

crash_smp_send_stop.part.0

machine_crash_shutdown

__crash_kexec

panic

softdog_fire

__hrtimer_run_queues

hrtimer_interrupt

Make the smp call for machine_crash_nonpanic_core() asynchronous.

Affected software

CVE-2023-53712 is recorded against 2 packages.

  • kernel (from 6.2.0 up to 6.5.5)
  • unknown

Timeline and source

Published on 22 October 2025 and last revised on 15 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

CVE-2023-53712 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-10-22
Updated 2026-08-12
Modified 2026-07-15
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel 6.2.0 6.5.5
unknown — —

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