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CVE-2022-49447— ARM: hisi: Add missing of_node_put after of_find_compatible_node

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of_find_compatible_node后缺少of_node_put。

AI Predicted 3.7 Difficulty: Trivial EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux a9434e96d9f089e778b440217f815c8e85daf317< 46cb7868811d025c3d29c10d18b3422db1cf20d5 affected
a9434e96d9f089e778b440217f815c8e85daf317< f8da78b2bae1f54746647a2bb44f8bd6025c57af affected
a9434e96d9f089e778b440217f815c8e85daf317< dd4be8ecfb41a29e7c4e551b4e866157ce4a3429 affected
a9434e96d9f089e778b440217f815c8e85daf317< e109058165137ef42841abd989f080adfefa14fa affected
a9434e96d9f089e778b440217f815c8e85daf317< 21a3effe446dd6dc5eed7fe897c2f9b88c9a5d6d affected
a9434e96d9f089e778b440217f815c8e85daf317< a3265a9440030068547a20dfee646666f3ca5278 affected
a9434e96d9f089e778b440217f815c8e85daf317< cafaaae4bb9ce84a2791fa29bf6907a9466c3883 affected
a9434e96d9f089e778b440217f815c8e85daf317< 45d211668d33c49d73f5213e8c2b58468108647c affected
… +12 more rows
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I. Basic Information for CVE-2022-49447

Vulnerability Information
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Vulnerability Title
ARM: hisi: Add missing of_node_put after of_find_compatible_node
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ARM: hisi: Add missing of_node_put after of_find_compatible_node of_find_compatible_node will increment the refcount of the returned device_node. Calling of_node_put() to avoid the 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of_find_compatible_node后缺少of_node_put。
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 a9434e96d9f089e778b440217f815c8e85daf317 ~ 46cb7868811d025c3d29c10d18b3422db1cf20d5 -
Linux Linux 3.14 -

II. Public POCs for CVE-2022-49447

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III. Intelligence Information for CVE-2022-49447

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Patches & Fixes for CVE-2022-49447 (9)

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-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
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-2022-49500 8.8 HIGH wl1251: dynamically allocate memory used for DMA
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
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-2022-49471 8.8 HIGH rtw89: cfo: check mac_id to avoid out-of-bounds
CVE-2022-49111 8.8 HIGH Bluetooth: Fix use after free in hci_send_acl
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

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