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CVE-2022-49382— soc: rockchip: Fix refcount leak in rockchip_grf_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rockchip_grf_init函数未正确释放of_find_matching_node_and_match返回的节点，导致引用计数泄漏。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.26% · P19

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 4c58063d4258f6beb4fd5647db6b58f49e337c8f< d5422f323858cad3ac3581075f9a3a5e0d41c0d8 affected
4c58063d4258f6beb4fd5647db6b58f49e337c8f< 28133325526b92921f3269fdf97a20d90b92b217 affected
4c58063d4258f6beb4fd5647db6b58f49e337c8f< 69a30b2ed620c2206cbbd1e9c112e4fc584e02bd affected
4c58063d4258f6beb4fd5647db6b58f49e337c8f< 5b3e990f85eb034faa461e691e719e8ce9e2a3c8 affected
4c58063d4258f6beb4fd5647db6b58f49e337c8f< aab25b669cb9fd3698c2631be4435f4fe92d9e59 affected
4c58063d4258f6beb4fd5647db6b58f49e337c8f< 042571fe1d171773655ad706715ecc865913d9a4 affected
4c58063d4258f6beb4fd5647db6b58f49e337c8f< 8f64e84924604bb969ee1fbc4b8d7d09b9214889 affected
4c58063d4258f6beb4fd5647db6b58f49e337c8f< 9b59588d8be91c96bfb0371e912ceb4f16315dbf affected
… +10 more rows
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I. Basic Information for CVE-2022-49382

Vulnerability Information
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Vulnerability Title
soc: rockchip: Fix refcount leak in rockchip_grf_init
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: soc: rockchip: Fix refcount leak in rockchip_grf_init of_find_matching_node_and_match returns a node pointer with refcount incremented, we should use of_node_put() on it when done. 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rockchip_grf_init函数未正确释放of_find_matching_node_and_match返回的节点，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 4c58063d4258f6beb4fd5647db6b58f49e337c8f ~ d5422f323858cad3ac3581075f9a3a5e0d41c0d8 -
Linux Linux 4.11 -

II. Public POCs for CVE-2022-49382

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III. Intelligence Information for CVE-2022-49382

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Patches & Fixes for CVE-2022-49382 (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-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
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-2022-49201 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-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49416 8.8 HIGH wifi: mac80211: fix use-after-free in chanctx code
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49238 8.8 HIGH ath11k: free peer for station when disconnect from AP for QCA6390/WCN6855
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING
CVE-2022-49138 8.8 HIGH Bluetooth: hci_event: Ignore multiple conn complete events
CVE-2022-49471 8.8 HIGH rtw89: cfo: check mac_id to avoid out-of-bounds
CVE-2022-49159 8.8 HIGH scsi: qla2xxx: Implement ref count for SRB

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-2022-49382

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