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CVE-2022-49354— ata: pata_octeon_cf: Fix refcount leak in octeon_cf_probe

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octeon_cf_probe未释放of_find_device_by_node返回的设备，导致引用计数泄漏。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1569.002 · Service Execution

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 43f01da0f2794b464ade2ffe1f780c69d7ce7b75< 7bd85c5ba1687daf54e3b6907673c3604b1e75cf affected
43f01da0f2794b464ade2ffe1f780c69d7ce7b75< a4d3e5f1d7d4f8b5e3834fec0f057a762c55806b affected
43f01da0f2794b464ade2ffe1f780c69d7ce7b75< 8d8ad067b90f231b8fdb14acee673ca4012f6045 affected
43f01da0f2794b464ade2ffe1f780c69d7ce7b75< d5a1e7f33c88780b279835d63665d7e38ccb671f affected
43f01da0f2794b464ade2ffe1f780c69d7ce7b75< 19cb3ece14547cb1ca2021798aaf49a3f82643d1 affected
43f01da0f2794b464ade2ffe1f780c69d7ce7b75< 888312dc297a8a103f6371ef668c7e04f57a7679 affected
43f01da0f2794b464ade2ffe1f780c69d7ce7b75< c9782e1b21bee4b783a64b2a91e7e71406c21a21 affected
43f01da0f2794b464ade2ffe1f780c69d7ce7b75< fb2cb409b504bb3a69e65a17f3120328c8e50219 affected
… +12 more rows
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I. Basic Information for CVE-2022-49354

Vulnerability Information
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Vulnerability Title
ata: pata_octeon_cf: Fix refcount leak in octeon_cf_probe
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ata: pata_octeon_cf: Fix refcount leak in octeon_cf_probe of_find_device_by_node() takes reference, we should use put_device() to release it when not need anymore. Add missing put_device() 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octeon_cf_probe未释放of_find_device_by_node返回的设备，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 43f01da0f2794b464ade2ffe1f780c69d7ce7b75 ~ 7bd85c5ba1687daf54e3b6907673c3604b1e75cf -
Linux Linux 3.8 -

II. Public POCs for CVE-2022-49354

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III. Intelligence Information for CVE-2022-49354

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Patches & Fixes for CVE-2022-49354 (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-2022-49407 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-2022-49354

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