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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49525media: cx25821: Fix the warning when removing the module

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 79.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.5-1DEBIAN-CVE-2022-49525
Debian:13linux5.18.5-1DEBIAN-CVE-2022-49525
Debian:14linux5.18.5-1DEBIAN-CVE-2022-49525
Ubuntu:22.04:LTSlinux5.15.0-47.51UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-aws5.15.0-1019.23UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-azure5.15.0-1019.24UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-gcp5.15.0-1017.23UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-gke5.15.0-1015.18UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1002.4UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-ibm5.15.0-1013.15UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1015.20UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-kvm5.15.0-1017.21UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-47.53UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1007.7UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-oracle5.15.0-1017.22UBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-raspi5.15.0-1014.16UBUNTU-CVE-2022-49525
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49525
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49525

Affected products (as reported)

VendorProductVersions
Linux Linux 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 4d6295b6d986476232332fffd08575b185f90d8102b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 5beb85ff7d005ddb7bf604a4f2dc76f01b84b31802b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 258639bc55a586ee6df92d89786ccf1c71546d7002b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 222292930c8ecc3516e03ec1f9fa8448be7ff49602b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 3f94169affa33c9db4a439d88f09cb2ed3a3333202b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 1f0fc1dfb5fdd456657519a97fab83691b96c6a002b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 9d92291698e5cc35a2b8a1106a01ddd7d60ade2d02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b – before 005fd553f5f10fe8618d92f94ad10f9051eac331
Linux Linux 2.6.32

References