vulnerability
Debian: CVE-2022-49525: linux -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Feb 27, 2025 | Feb 27, 2025 | Feb 28, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
media: cx25821: Fix the warning when removing the module
When removing the module, we will get the following warning:
[ 14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]'
[ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0
[ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0
[ 14.759589] Call Trace:
[ 14.759792]
[ 14.759975] unregister_irq_proc+0x14c/0x170
[ 14.760340] irq_free_descs+0x94/0xe0
[ 14.760640] mp_unmap_irq+0xb6/0x100
[ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40
[ 14.761334] acpi_pci_irq_disable+0x1d3/0x320
[ 14.761688] pci_disable_device+0x1ad/0x380
[ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60
[ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821]
[ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821]
[ 14.763242] pci_device_remove+0x92/0x240
Fix this by freeing the irq before call pci_disable_device().
Solution
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