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] <TASK> [ 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().
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Ubuntu | — | Upgrade linux-bluefieldUpgrade linux-intel-iotgUpgrade linux-intel-iotg-5.15Upgrade linux-hwe-5.15Upgrade linux-lowlatencyUpgrade linux-aws-5.4Upgrade linux-nvidiaUpgrade linux-raspiUpgrade linux-aws-hweUpgrade linux-iotUpgrade linux-lowlatency-hwe-5.15Upgrade linux-azure-4.15Upgrade linux-realtimeUpgrade linux-oracleUpgrade linux-aws-5.15Upgrade linux-gcp-5.15Upgrade linux-kvmUpgrade linux-oracle-5.4Upgrade linux-azureUpgrade linux-raspi-5.4Upgrade linux-awsUpgrade linux-gkeUpgrade linux-azure-5.4Upgrade linux-gcp-4.15Upgrade linux-azure-fde-5.15Upgrade linux-gcp-fipsUpgrade linux-azure-fipsUpgrade linux-hwe-5.4Upgrade linux-gcpUpgrade linux-ibmUpgrade linux-gcp-5.4Upgrade linux-fipsUpgrade linux-oracle-5.15Upgrade linux-aws-fipsUpgrade linux-azure-5.15Upgrade linuxUpgrade linux-ibm-5.4Upgrade linux-riscv-5.15Upgrade linux-hweUpgrade linux-gkeop | Mar 3, 2025 | Feb 26, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Feb 26, 2025 |
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