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CVE-2022-50207— ARM: bcm: Fix refcount leak in bcm_kona_smc_init

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于缺少节点引用释放，可能导致引用计数泄漏。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux b8eb35fd594aa5b635e329d5c8efab8aaceb8619< 62d719d31ec667276d7375b64542b080cf187797 affected
b8eb35fd594aa5b635e329d5c8efab8aaceb8619< 75866df2b1d673df5b7781e565ada753a7895f04 affected
b8eb35fd594aa5b635e329d5c8efab8aaceb8619< 5afe042c889437de83f38a9d73d145742fb4f65f affected
b8eb35fd594aa5b635e329d5c8efab8aaceb8619< 91e7f04f53e680bc72f0a9a5c682ab652100b9c8 affected
b8eb35fd594aa5b635e329d5c8efab8aaceb8619< bc7f487395f208fd9af69e9a807815e10435aba7 affected
b8eb35fd594aa5b635e329d5c8efab8aaceb8619< c6964cb9ac7a43bf78e7d60126e2722992de2ea1 affected
b8eb35fd594aa5b635e329d5c8efab8aaceb8619< 02b658bfb26452f2c13e4577a13ab802f89a6642 affected
b8eb35fd594aa5b635e329d5c8efab8aaceb8619< cb23389a2458c2e4bfd6c86a513cbbe1c4d35e76 affected
… +10 more rows
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I. Basic Information for CVE-2022-50207

Vulnerability Information
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Vulnerability Title
ARM: bcm: Fix refcount leak in bcm_kona_smc_init
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ARM: bcm: Fix refcount leak in bcm_kona_smc_init of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.
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，该漏洞源于缺少节点引用释放，可能导致引用计数泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux b8eb35fd594aa5b635e329d5c8efab8aaceb8619 ~ 62d719d31ec667276d7375b64542b080cf187797 -
Linux Linux 3.10 -

II. Public POCs for CVE-2022-50207

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III. Intelligence Information for CVE-2022-50207

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

CVE-2025-38075 9.8 CRITICAL scsi: target: iscsi: Fix timeout on deleted connection
CVE-2022-50098 8.8 HIGH scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts
CVE-2025-38052 8.8 HIGH net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
CVE-2022-49934 8.8 HIGH wifi: mac80211: Fix UAF in ieee80211_scan_rx()
CVE-2022-50164 8.8 HIGH wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue
CVE-2025-38016 8.8 HIGH HID: bpf: abort dispatch if device destroyed
CVE-2025-38074 8.8 HIGH vhost-scsi: protect vq->log_used with vq->mutex
CVE-2022-49974 8.8 HIGH HID: nintendo: fix rumble worker null pointer deref
CVE-2022-49968 8.0 HIGH ieee802154/adf7242: defer destroy_workqueue call
CVE-2022-49944 7.8 HIGH Revert "usb: typec: ucsi: add a common function ucsi_unregister_connectors()"
CVE-2022-49950 7.8 HIGH misc: fastrpc: fix memory corruption on open
CVE-2022-49939 7.8 HIGH binder: fix UAF of ref->proc caused by race condition
CVE-2022-50028 7.8 HIGH gadgetfs: ep_io - wait until IRQ finishes
CVE-2022-49935 7.8 HIGH dma-buf/dma-resv: check if the new fence is really later
CVE-2025-38082 7.8 HIGH gpio: virtuser: fix potential out-of-bound write
CVE-2025-38080 7.8 HIGH drm/amd/display: Increase block_sequence array size
CVE-2025-38079 7.8 HIGH crypto: algif_hash - fix double free in hash_accept
CVE-2025-38060 7.8 HIGH bpf: copy_verifier_state() should copy 'loop_entry' field
CVE-2022-50101 7.8 HIGH video: fbdev: vt8623fb: Check the size of screen before memset_io()
CVE-2025-38062 7.8 HIGH genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie

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-2022-50207

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