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CVE-2022-49481— regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt

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pfuze_parse_regulators_dt中未正确释放of_node_get返回的节点引用。

AI Predicted 5.5 Difficulty: Hard EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 3784b6d64dc52ed3fbebad61a85ab9b7a687a167< b74c0dd9179d21b7260260e075d597b23970100c affected
3784b6d64dc52ed3fbebad61a85ab9b7a687a167< 6ca675f4abbc74bc991d154a1ecc8b384dc2aae4 affected
3784b6d64dc52ed3fbebad61a85ab9b7a687a167< 984cfef0675ed7398814e14af2c5323911723e1c affected
3784b6d64dc52ed3fbebad61a85ab9b7a687a167< 0be5d9da5743b9825a95baec85a67500b2c1d362 affected
3784b6d64dc52ed3fbebad61a85ab9b7a687a167< 9f564e29a51210a49df3d925117777c157a17d6d affected
3784b6d64dc52ed3fbebad61a85ab9b7a687a167< 56ab0c01027492cd161c64148e1dc892c56887ad affected
3784b6d64dc52ed3fbebad61a85ab9b7a687a167< 671be14fc31374b1a10a3abd93db6a8480838fc9 affected
3784b6d64dc52ed3fbebad61a85ab9b7a687a167< 49d785baeb91568332197be356d138e5e59c7ddb affected
… +12 more rows
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I. Basic Information for CVE-2022-49481

Vulnerability Information
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Vulnerability Title
regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt of_node_get() returns a node with refcount incremented. Calling of_node_put() to drop the reference when not needed 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pfuze_parse_regulators_dt中未正确释放of_node_get返回的节点引用。
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 3784b6d64dc52ed3fbebad61a85ab9b7a687a167 ~ b74c0dd9179d21b7260260e075d597b23970100c -
Linux Linux 3.12 -

II. Public POCs for CVE-2022-49481

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III. Intelligence Information for CVE-2022-49481

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Patches & Fixes for CVE-2022-49481 (8)

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

CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49093 9.8 CRITICAL skbuff: fix coalescing for page_pool fragment recycling
CVE-2022-49260 9.8 CRITICAL crypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-49418 9.8 CRITICAL NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49328 8.8 HIGH mt76: fix use-after-free by removing a non-RCU wcid pointer
CVE-2022-49114 8.8 HIGH scsi: libfc: Fix use after free in fc_exch_abts_resp()
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
CVE-2022-49111 8.8 HIGH Bluetooth: Fix use after free in hci_send_acl
CVE-2022-49471 8.8 HIGH rtw89: cfo: check mac_id to avoid out-of-bounds
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49481

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