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

EPSS 0.05% · P16

Affected Version Matrix 20

VendorProductVersion RangeStatus
LinuxLinux02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 4d6295b6d986476232332fffd08575b185f90d81affected
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 5beb85ff7d005ddb7bf604a4f2dc76f01b84b318affected
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 258639bc55a586ee6df92d89786ccf1c71546d70affected
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 222292930c8ecc3516e03ec1f9fa8448be7ff496affected
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 3f94169affa33c9db4a439d88f09cb2ed3a33332affected
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 1f0fc1dfb5fdd456657519a97fab83691b96c6a0affected
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 9d92291698e5cc35a2b8a1106a01ddd7d60ade2daffected
02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b< 005fd553f5f10fe8618d92f94ad10f9051eac331affected
… +12 more rows
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I. Basic Information for CVE-2022-49525

Vulnerability Information

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Vulnerability Title
media: cx25821: Fix the warning when removing the module
Source: NVD (National Vulnerability Database)
Vulnerability 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().
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于移除模块时未正确释放irq目录,可能导致警告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b ~ 4d6295b6d986476232332fffd08575b185f90d81 -
LinuxLinux 2.6.32 -

II. Public POCs for CVE-2022-49525

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III. Intelligence Information for CVE-2022-49525

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Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49496media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko
CVE-2022-49487mtd: rawnand: intel: fix possible null-ptr-deref in ebu_nand_probe()
CVE-2022-49486ASoC: fsl: Fix refcount leak in imx_sgtl5000_probe
CVE-2022-49488drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected
CVE-2022-49489drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm run
CVE-2022-49490drm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is detected
CVE-2022-49491drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
CVE-2022-49492nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags
CVE-2022-49493ASoC: rt5645: Fix errorenous cleanup order
CVE-2022-49494mtd: rawnand: cadence: fix possible null-ptr-deref in cadence_nand_dt_probe()
CVE-2022-49495drm/msm/hdmi: check return value after calling platform_get_resource_byname()
CVE-2022-49497net: remove two BUG() from skb_checksum_help()
CVE-2022-49503ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix
CVE-2022-49508HID: elan: Fix potential double free in elan_input_configured
CVE-2022-49506drm/mediatek: Add vblank register/unregister callback functions
CVE-2022-49504scsi: lpfc: Inhibit aborts if external loopback plug is inserted
CVE-2022-49505NFC: NULL out the dev->rfkill to prevent UAF
CVE-2022-49502media: rga: fix possible memory leak in rga_probe
CVE-2022-49499drm/msm: Fix null pointer dereferences without iommu
CVE-2022-49498ALSA: pcm: Check for null pointer of pointer substream before dereferencing it

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

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