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CVE-2022-50033— usb: host: ohci-ppc-of: Fix refcount leak bug

AI Predicted 3.3 Difficulty: Hard EPSS 0.16% · P6

Possible ATT&CK Techniques 1AI

T1562

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinux796bcae7361c28cf825780f6f1aac9dd3411394e< fe6fe64403710287f0ae61a516954d8a4f7c9e3faffected
796bcae7361c28cf825780f6f1aac9dd3411394e< c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96affected
796bcae7361c28cf825780f6f1aac9dd3411394e< ec583e300aee9f152a64911445092d18e1c36729affected
796bcae7361c28cf825780f6f1aac9dd3411394e< 0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4eaffected
796bcae7361c28cf825780f6f1aac9dd3411394e< cb5dd65e889163e723df1c2f02288cc527a57785affected
796bcae7361c28cf825780f6f1aac9dd3411394e< 0fc62bbc95319bbd330e3645afc7c286acec9ef8affected
796bcae7361c28cf825780f6f1aac9dd3411394e< 403132881e66db7aa98b55c6655daedd80d407fdaffected
796bcae7361c28cf825780f6f1aac9dd3411394e< 40a959d7042bb7711e404ad2318b30e9f92c6b9baffected
… +10 more rows
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I. Basic Information for CVE-2022-50033

Vulnerability Information
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Vulnerability Title
usb: host: ohci-ppc-of: Fix refcount leak bug
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: host: ohci-ppc-of: Fix refcount leak bug In ohci_hcd_ppc_of_probe(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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，该漏洞源于未释放节点引用，可能导致内存泄漏。
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 796bcae7361c28cf825780f6f1aac9dd3411394e ~ fe6fe64403710287f0ae61a516954d8a4f7c9e3f -
LinuxLinux 2.6.29 -

II. Public POCs for CVE-2022-50033

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III. Intelligence Information for CVE-2022-50033

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Patches & Fixes for CVE-2022-50033 (1)

Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total

CVE-2025-380759.8 CRITICALscsi: target: iscsi: Fix timeout on deleted connection
CVE-2025-380748.8 HIGHvhost-scsi: protect vq->log_used with vq->mutex
CVE-2025-380528.8 HIGHnet/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
CVE-2025-380168.8 HIGHHID: bpf: abort dispatch if device destroyed
CVE-2025-380627.8 HIGHgenirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie
CVE-2025-380287.8 HIGHNFS/localio: Fix a race in nfs_local_open_fh()
CVE-2025-380247.8 HIGHRDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
CVE-2025-380587.8 HIGH__legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock
CVE-2025-380227.8 HIGHRDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem
CVE-2025-380797.8 HIGHcrypto: algif_hash - fix double free in hash_accept
CVE-2025-380057.8 HIGHdmaengine: ti: k3-udma: Add missing locking
CVE-2025-380607.8 HIGHbpf: copy_verifier_state() should copy 'loop_entry' field
CVE-2025-380807.8 HIGHdrm/amd/display: Increase block_sequence array size
CVE-2025-380127.8 HIGHsched_ext: bpf_iter_scx_dsq_new() should always initialize iterator
CVE-2025-380517.8 HIGHsmb: client: Fix use-after-free in cifs_fill_dirent
CVE-2025-380687.8 HIGHcrypto: lzo - Fix compression buffer overrun
CVE-2025-380657.8 HIGHorangefs: Do not truncate file size
CVE-2025-380647.8 HIGHvirtio: break and reset virtio devices on device_shutdown()
CVE-2025-380827.8 HIGHgpio: virtuser: fix potential out-of-bound write
CVE-2025-380787.8 HIGHALSA: pcm: Fix race of buffer access at PCM OSS layer

Showing top 20 of 362 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50033

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