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CVE-2022-50106— powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address

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axon_msi驱动在setup_msi_msg_address中未释放节点引用，可能导致引用计数泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux ce21b3c9648ae55181787bf25ee00cf91dfd5c91< 6263ec8032c411b8ef6b7f00198cb18c855ee6cb affected
ce21b3c9648ae55181787bf25ee00cf91dfd5c91< 51cf876b11fb6ca06f69e9d1de58f892d1522e9d affected
ce21b3c9648ae55181787bf25ee00cf91dfd5c91< f388643657cd5a04dc47a68d85321876c5b4c208 affected
ce21b3c9648ae55181787bf25ee00cf91dfd5c91< 00dc7cbbb558955ff410fd392cc9b0366eb06df0 affected
ce21b3c9648ae55181787bf25ee00cf91dfd5c91< 5eaa93caa63abf382b319dbe2f032232026740c2 affected
ce21b3c9648ae55181787bf25ee00cf91dfd5c91< 02ed44125d7a7238999750ca126b60f8dd7a88b1 affected
ce21b3c9648ae55181787bf25ee00cf91dfd5c91< af41cff4ada533b1cf40de6c468ba164fd32c22d affected
ce21b3c9648ae55181787bf25ee00cf91dfd5c91< df5d4b616ee76abc97e5bd348e22659c2b095b1c affected
… +10 more rows
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I. Basic Information for CVE-2022-50106

Vulnerability Information
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Vulnerability Title
powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() in the error path 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axon_msi驱动在setup_msi_msg_address中未释放节点引用，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 ce21b3c9648ae55181787bf25ee00cf91dfd5c91 ~ 6263ec8032c411b8ef6b7f00198cb18c855ee6cb -
Linux Linux 2.6.23 -

II. Public POCs for CVE-2022-50106

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III. Intelligence Information for CVE-2022-50106

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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-2022-49934 8.8 HIGH wifi: mac80211: Fix UAF in ieee80211_scan_rx()
CVE-2025-38052 8.8 HIGH net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
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-2022-49974 8.8 HIGH HID: nintendo: fix rumble worker null pointer deref
CVE-2025-38074 8.8 HIGH vhost-scsi: protect vq->log_used with vq->mutex
CVE-2022-49968 8.0 HIGH ieee802154/adf7242: defer destroy_workqueue call
CVE-2022-49939 7.8 HIGH binder: fix UAF of ref->proc caused by race condition
CVE-2022-50022 7.8 HIGH drivers:md:fix a potential use-after-free bug
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-2022-50182 7.8 HIGH media: imx-jpeg: Align upwards buffer size
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-2022-50099 7.8 HIGH video: fbdev: arkfb: 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
CVE-2025-38060 7.8 HIGH bpf: copy_verifier_state() should copy 'loop_entry' field

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-2022-50106

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