{"id":"CVE-2022-49525","state":"PUBLISHED","title":"media: cx25821: Fix the warning when removing the module","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx25821: Fix the warning when removing the module\n\nWhen removing the module, we will get the following warning:\n\n[   14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]'\n[   14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0\n[   14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0\n[   14.759589] Call Trace:\n[   14.759792]  <TASK>\n[   14.759975]  unregister_irq_proc+0x14c/0x170\n[   14.760340]  irq_free_descs+0x94/0xe0\n[   14.760640]  mp_unmap_irq+0xb6/0x100\n[   14.760937]  acpi_unregister_gsi_ioapic+0x27/0x40\n[   14.761334]  acpi_pci_irq_disable+0x1d3/0x320\n[   14.761688]  pci_disable_device+0x1ad/0x380\n[   14.762027]  ? _raw_spin_unlock_irqrestore+0x2d/0x60\n[   14.762442]  ? cx25821_shutdown+0x20/0x9f0 [cx25821]\n[   14.762848]  cx25821_finidev+0x48/0xc0 [cx25821]\n[   14.763242]  pci_device_remove+0x92/0x240\n\nFix this by freeing the irq before call pci_disable_device().","publishedAt":"2025-02-26T02:13:48.674Z","updatedAt":"2026-05-11T19:01:36.862Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"4d6295b6d986476232332fffd08575b185f90d81","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"5beb85ff7d005ddb7bf604a4f2dc76f01b84b318","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"258639bc55a586ee6df92d89786ccf1c71546d70","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"222292930c8ecc3516e03ec1f9fa8448be7ff496","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"3f94169affa33c9db4a439d88f09cb2ed3a33332","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"1f0fc1dfb5fdd456657519a97fab83691b96c6a0","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"9d92291698e5cc35a2b8a1106a01ddd7d60ade2d","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"005fd553f5f10fe8618d92f94ad10f9051eac331","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"2203436a4d24302871617373a7eb21bc17e38762","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx25821/cx25821-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.32","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.32","versionType":"semver"},{"version":"4.9.318","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.283","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx25821/cx25821-core.c"]}],"references":["https://git.kernel.org/stable/c/4d6295b6d986476232332fffd08575b185f90d81","https://git.kernel.org/stable/c/5beb85ff7d005ddb7bf604a4f2dc76f01b84b318","https://git.kernel.org/stable/c/258639bc55a586ee6df92d89786ccf1c71546d70","https://git.kernel.org/stable/c/222292930c8ecc3516e03ec1f9fa8448be7ff496","https://git.kernel.org/stable/c/3f94169affa33c9db4a439d88f09cb2ed3a33332","https://git.kernel.org/stable/c/1f0fc1dfb5fdd456657519a97fab83691b96c6a0","https://git.kernel.org/stable/c/9d92291698e5cc35a2b8a1106a01ddd7d60ade2d","https://git.kernel.org/stable/c/005fd553f5f10fe8618d92f94ad10f9051eac331","https://git.kernel.org/stable/c/2203436a4d24302871617373a7eb21bc17e38762"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49525.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49525","state":"PUBLISHED","datePublished":"2025-02-26T02:13:48.674Z","dateUpdated":"2026-05-11T19:01:36.862Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.588Z"},"containers":{"cna":{"title":"media: cx25821: Fix the warning when removing the module","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx25821: Fix the warning when removing the module\n\nWhen removing the module, we will get the following warning:\n\n[   14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]'\n[   14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0\n[   14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0\n[   14.759589] Call Trace:\n[   14.759792]  <TASK>\n[   14.759975]  unregister_irq_proc+0x14c/0x170\n[   14.760340]  irq_free_descs+0x94/0xe0\n[   14.760640]  mp_unmap_irq+0xb6/0x100\n[   14.760937]  acpi_unregister_gsi_ioapic+0x27/0x40\n[   14.761334]  acpi_pci_irq_disable+0x1d3/0x320\n[   14.761688]  pci_disable_device+0x1ad/0x380\n[   14.762027]  ? _raw_spin_unlock_irqrestore+0x2d/0x60\n[   14.762442]  ? cx25821_shutdown+0x20/0x9f0 [cx25821]\n[   14.762848]  cx25821_finidev+0x48/0xc0 [cx25821]\n[   14.763242]  pci_device_remove+0x92/0x240\n\nFix this by freeing the irq before call pci_disable_device()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"4d6295b6d986476232332fffd08575b185f90d81","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"5beb85ff7d005ddb7bf604a4f2dc76f01b84b318","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"258639bc55a586ee6df92d89786ccf1c71546d70","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"222292930c8ecc3516e03ec1f9fa8448be7ff496","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"3f94169affa33c9db4a439d88f09cb2ed3a33332","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"1f0fc1dfb5fdd456657519a97fab83691b96c6a0","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"9d92291698e5cc35a2b8a1106a01ddd7d60ade2d","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"005fd553f5f10fe8618d92f94ad10f9051eac331","versionType":"git"},{"version":"02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b","status":"affected","lessThan":"2203436a4d24302871617373a7eb21bc17e38762","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx25821/cx25821-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.32","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.32","versionType":"semver"},{"version":"4.9.318","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.283","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx25821/cx25821-core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4d6295b6d986476232332fffd08575b185f90d81"},{"url":"https://git.kernel.org/stable/c/5beb85ff7d005ddb7bf604a4f2dc76f01b84b318"},{"url":"https://git.kernel.org/stable/c/258639bc55a586ee6df92d89786ccf1c71546d70"},{"url":"https://git.kernel.org/stable/c/222292930c8ecc3516e03ec1f9fa8448be7ff496"},{"url":"https://git.kernel.org/stable/c/3f94169affa33c9db4a439d88f09cb2ed3a33332"},{"url":"https://git.kernel.org/stable/c/1f0fc1dfb5fdd456657519a97fab83691b96c6a0"},{"url":"https://git.kernel.org/stable/c/9d92291698e5cc35a2b8a1106a01ddd7d60ade2d"},{"url":"https://git.kernel.org/stable/c/005fd553f5f10fe8618d92f94ad10f9051eac331"},{"url":"https://git.kernel.org/stable/c/2203436a4d24302871617373a7eb21bc17e38762"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:01:36.862Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"4.9.318"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"4.14.283"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.32","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}