GHSA-WXJG-W4JC-V7MF
Vulnerability from github – Published: 2025-03-27 15:31 – Updated: 2025-11-03 21:33In the Linux kernel, the following vulnerability has been resolved:
sched/core: Prevent rescheduling when interrupts are disabled
David reported a warning observed while loop testing kexec jump:
Interrupts enabled after irqrouter_resume+0x0/0x50 WARNING: CPU: 0 PID: 560 at drivers/base/syscore.c:103 syscore_resume+0x18a/0x220 kernel_kexec+0xf6/0x180 __do_sys_reboot+0x206/0x250 do_syscall_64+0x95/0x180
The corresponding interrupt flag trace:
hardirqs last enabled at (15573): [] __up_console_sem+0x7e/0x90 hardirqs last disabled at (15580): [] __up_console_sem+0x63/0x90
That means __up_console_sem() was invoked with interrupts enabled. Further instrumentation revealed that in the interrupt disabled section of kexec jump one of the syscore_suspend() callbacks woke up a task, which set the NEED_RESCHED flag. A later callback in the resume path invoked cond_resched() which in turn led to the invocation of the scheduler:
__cond_resched+0x21/0x60 down_timeout+0x18/0x60 acpi_os_wait_semaphore+0x4c/0x80 acpi_ut_acquire_mutex+0x3d/0x100 acpi_ns_get_node+0x27/0x60 acpi_ns_evaluate+0x1cb/0x2d0 acpi_rs_set_srs_method_data+0x156/0x190 acpi_pci_link_set+0x11c/0x290 irqrouter_resume+0x54/0x60 syscore_resume+0x6a/0x200 kernel_kexec+0x145/0x1c0 __do_sys_reboot+0xeb/0x240 do_syscall_64+0x95/0x180
This is a long standing problem, which probably got more visible with the recent printk changes. Something does a task wakeup and the scheduler sets the NEED_RESCHED flag. cond_resched() sees it set and invokes schedule() from a completely bogus context. The scheduler enables interrupts after context switching, which causes the above warning at the end.
Quite some of the code paths in syscore_suspend()/resume() can result in triggering a wakeup with the exactly same consequences. They might not have done so yet, but as they share a lot of code with normal operations it's just a question of time.
The problem only affects the PREEMPT_NONE and PREEMPT_VOLUNTARY scheduling models. Full preemption is not affected as cond_resched() is disabled and the preemption check preemptible() takes the interrupt disabled flag into account.
Cure the problem by adding a corresponding check into cond_resched().
{
"affected": [],
"aliases": [
"CVE-2024-58090"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-03-27T15:15:54Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/core: Prevent rescheduling when interrupts are disabled\n\nDavid reported a warning observed while loop testing kexec jump:\n\n Interrupts enabled after irqrouter_resume+0x0/0x50\n WARNING: CPU: 0 PID: 560 at drivers/base/syscore.c:103 syscore_resume+0x18a/0x220\n kernel_kexec+0xf6/0x180\n __do_sys_reboot+0x206/0x250\n do_syscall_64+0x95/0x180\n\nThe corresponding interrupt flag trace:\n\n hardirqs last enabled at (15573): [\u003cffffffffa8281b8e\u003e] __up_console_sem+0x7e/0x90\n hardirqs last disabled at (15580): [\u003cffffffffa8281b73\u003e] __up_console_sem+0x63/0x90\n\nThat means __up_console_sem() was invoked with interrupts enabled. Further\ninstrumentation revealed that in the interrupt disabled section of kexec\njump one of the syscore_suspend() callbacks woke up a task, which set the\nNEED_RESCHED flag. A later callback in the resume path invoked\ncond_resched() which in turn led to the invocation of the scheduler:\n\n __cond_resched+0x21/0x60\n down_timeout+0x18/0x60\n acpi_os_wait_semaphore+0x4c/0x80\n acpi_ut_acquire_mutex+0x3d/0x100\n acpi_ns_get_node+0x27/0x60\n acpi_ns_evaluate+0x1cb/0x2d0\n acpi_rs_set_srs_method_data+0x156/0x190\n acpi_pci_link_set+0x11c/0x290\n irqrouter_resume+0x54/0x60\n syscore_resume+0x6a/0x200\n kernel_kexec+0x145/0x1c0\n __do_sys_reboot+0xeb/0x240\n do_syscall_64+0x95/0x180\n\nThis is a long standing problem, which probably got more visible with\nthe recent printk changes. Something does a task wakeup and the\nscheduler sets the NEED_RESCHED flag. cond_resched() sees it set and\ninvokes schedule() from a completely bogus context. The scheduler\nenables interrupts after context switching, which causes the above\nwarning at the end.\n\nQuite some of the code paths in syscore_suspend()/resume() can result in\ntriggering a wakeup with the exactly same consequences. They might not\nhave done so yet, but as they share a lot of code with normal operations\nit\u0027s just a question of time.\n\nThe problem only affects the PREEMPT_NONE and PREEMPT_VOLUNTARY scheduling\nmodels. Full preemption is not affected as cond_resched() is disabled and\nthe preemption check preemptible() takes the interrupt disabled flag into\naccount.\n\nCure the problem by adding a corresponding check into cond_resched().",
"id": "GHSA-wxjg-w4jc-v7mf",
"modified": "2025-11-03T21:33:13Z",
"published": "2025-03-27T15:31:10Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-58090"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0362847c520747b44b574d363705d8af0621727a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1651f5731b378616565534eb9cda30e258cebebc"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/288fdb8dcb71ec77b76ab8b8a06bc10f595ea504"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/321794b75ac968f0bb6b9c913581949452a8d992"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/68786ab0935ccd5721283b7eb7f4d2f2942c7a52"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/82c387ef7568c0d96a918a5a78d9cad6256cfa15"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/84586322e010164eedddfcd0a0894206ae7d9317"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b927c8539f692fb1f9c2f42e6c8ea2d94956f921"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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