CVE-2022-49525

media: cx25821: Fix the warning when removing the module

MEDIUM

5.5

CVSS Score

Published: February 26, 2025 at 02:13 AM UTC

Updated: June 17, 2026 at 05:18 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

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] <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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v < 4.9.3182.6.32 ≤ v < 4.14.2832.6.32 ≤ v < 4.19.2472.6.32 ≤ v < 4.9.3182.6.32 ≤ v < 5.10.1212.6.32 ≤ v < 5.15.462.6.32 ≤ v < 5.17.142.6.32 ≤ v < 5.18.32.6.32 ≤ v < 5.192.6.32 ≤ v < 5.4.1984.10 ≤ v < 4.14.2834.15 ≤ v < 4.19.2474.20 ≤ v < 5.4.1985.11 ≤ v < 5.15.465.16 ≤ v < 5.17.145.18 ≤ v < 5.18.35.5 ≤ v < 5.10.1212.6.322b20b0b4cde11f7ad6b5363fb88b93f7ad4e5b

Vendor states this is fixed in 005fd553f5f10fe8618d92f94ad10f9051eac331 (fixed)

Vendor states this is fixed in 1f0fc1dfb5fdd456657519a97fab83691b96c6a0 (fixed)

Vendor states this is fixed in 2203436a4d24302871617373a7eb21bc17e38762 (fixed)

Vendor states this is fixed in 222292930c8ecc3516e03ec1f9fa8448be7ff496 (fixed)

Vendor states this is fixed in 258639bc55a586ee6df92d89786ccf1c71546d70 (fixed)

Vendor states this is fixed in 3f94169affa33c9db4a439d88f09cb2ed3a33332 (fixed)

Vendor states this is fixed in 4d6295b6d986476232332fffd08575b185f90d81 (fixed)

Vendor states this is fixed in 5beb85ff7d005ddb7bf604a4f2dc76f01b84b318 (fixed)

Vendor states this is fixed in 9d92291698e5cc35a2b8a1106a01ddd7d60ade2d (fixed)

Vendor states this is fixed in 2.6.32 (unaffected)

Vendor states this is fixed in 4.14.283 (unaffected)

Vendor states this is fixed in 4.19.247 (unaffected)