CVE-2022-49525

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Source
https://cve.org/CVERecord?id=CVE-2022-49525
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49525.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49525
Downstream
Related
Published
2025-02-26T02:13:48.674Z
Modified
2026-03-12T03:25:21.264491Z
Summary
media: cx25821: Fix the warning when removing the module
Details

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] removeprocentry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]' [ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 removeprocentry+0x389/0x3f0 [ 14.751611] RIP: 0010:removeprocentry+0x389/0x3f0 [ 14.759589] Call Trace: [ 14.759792] <TASK> [ 14.759975] unregisterirqproc+0x14c/0x170 [ 14.760340] irqfreedescs+0x94/0xe0 [ 14.760640] mpunmapirq+0xb6/0x100 [ 14.760937] acpiunregistergsiioapic+0x27/0x40 [ 14.761334] acpipciirqdisable+0x1d3/0x320 [ 14.761688] pcidisabledevice+0x1ad/0x380 [ 14.762027] ? rawspinunlockirqrestore+0x2d/0x60 [ 14.762442] ? cx25821shutdown+0x20/0x9f0 [cx25821] [ 14.762848] cx25821finidev+0x48/0xc0 [cx25821] [ 14.763242] pcideviceremove+0x92/0x240

Fix this by freeing the irq before call pcidisabledevice().

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49525.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b
Fixed
4d6295b6d986476232332fffd08575b185f90d81
Fixed
5beb85ff7d005ddb7bf604a4f2dc76f01b84b318
Fixed
258639bc55a586ee6df92d89786ccf1c71546d70
Fixed
222292930c8ecc3516e03ec1f9fa8448be7ff496
Fixed
3f94169affa33c9db4a439d88f09cb2ed3a33332
Fixed
1f0fc1dfb5fdd456657519a97fab83691b96c6a0
Fixed
9d92291698e5cc35a2b8a1106a01ddd7d60ade2d
Fixed
005fd553f5f10fe8618d92f94ad10f9051eac331
Fixed
2203436a4d24302871617373a7eb21bc17e38762

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49525.json"