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GHSA-M7QP-WFXW-CJVM

Vulnerability from github – Published: 2025-10-22 15:31 – Updated: 2025-10-22 15:31
VLAI
Details

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.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2023-53712"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-22T14:15:45Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9317/1: kexec: Make smp stop calls asynchronous\n\nIf a panic is triggered by a hrtimer interrupt all online cpus will be\nnotified and set offline. But as highlighted by commit 19dbdcb8039c\n(\"smp: Warn on function calls from softirq context\") this call should\nnot be made synchronous with disabled interrupts:\n\n softdog: Initiating panic\n Kernel panic - not syncing: Software Watchdog Timer expired\n WARNING: CPU: 1 PID: 0 at kernel/smp.c:753 smp_call_function_many_cond\n   unwind_backtrace:\n     show_stack\n     dump_stack_lvl\n     __warn\n     warn_slowpath_fmt\n     smp_call_function_many_cond\n     smp_call_function\n     crash_smp_send_stop.part.0\n     machine_crash_shutdown\n     __crash_kexec\n     panic\n     softdog_fire\n     __hrtimer_run_queues\n     hrtimer_interrupt\n\nMake the smp call for machine_crash_nonpanic_core() asynchronous.",
  "id": "GHSA-m7qp-wfxw-cjvm",
  "modified": "2025-10-22T15:31:11Z",
  "published": "2025-10-22T15:31:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53712"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46870eea5496ff277e86187a49ac5a667cfe60c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5590ba4560eefbd19a4ed07c7e7c8e4c51ffc628"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8922ba71c969d2a0c01a94372a71477d879470de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ee378f45a70d09b51373ba495d30d99ef12219c1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}



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