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CVE-2022-50191— regulator: of: Fix refcount leak bug in of_get_regulation_constraints()

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 5.3 Difficulty: Theoretical EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 40e20d68bb3fb1ce2704c886d597918988d3321d< a23098cc32860272dc6c3200ff20c34c65b7b694 affected
40e20d68bb3fb1ce2704c886d597918988d3321d< b9ca8585c766616563cf3c062c6878f61f83cf00 affected
40e20d68bb3fb1ce2704c886d597918988d3321d< 35f9e861d9b9434903a8ede37a3561f78985826d affected
40e20d68bb3fb1ce2704c886d597918988d3321d< 332e555dca074c4eb2084898021c3676423814c3 affected
40e20d68bb3fb1ce2704c886d597918988d3321d< c9df8ff290097aabd5c9200f7f729b0813d37b19 affected
40e20d68bb3fb1ce2704c886d597918988d3321d< 11ecb4f8735b0230d54a82c18b21ea778b695d61 affected
40e20d68bb3fb1ce2704c886d597918988d3321d< fc7b19f547bc9e622060a0a9a39da2330aa21c53 affected
40e20d68bb3fb1ce2704c886d597918988d3321d< 66efb665cd5ad69b27dca8571bf89fc6b9c628a4 affected
… +10 more rows
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I. Basic Information for CVE-2022-50191

Vulnerability Information
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Vulnerability Title
regulator: of: Fix refcount leak bug in of_get_regulation_constraints()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: regulator: of: Fix refcount leak bug in of_get_regulation_constraints() We should call the of_node_put() for the reference returned by of_get_child_by_name() which has increased the refcount.
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 40e20d68bb3fb1ce2704c886d597918988d3321d ~ a23098cc32860272dc6c3200ff20c34c65b7b694 -
Linux Linux 3.19 -

II. Public POCs for CVE-2022-50191

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III. Intelligence Information for CVE-2022-50191

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Patches & Fixes for CVE-2022-50191 (1)

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-2022-50191

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