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CVE-2022-49324— mips: cpc: Fix refcount leak in mips_cpc_default_phys_base

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mips_cpc_default_phys_base未释放of_find_compatible_node的引用计数。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 21

VendorProduct Version RangeStatus
Linux Linux dc2f0da8350e413923ad67e2e26d8d9f1fb97aff< bed702566dcdb6ebe300bc0c62bf3600cf4d5874 affected
791412dafbbfd860e78983d45cf71db603a82f67< 961ee8a6eeef4632a215d995d837b204f8c7c2d4 affected
791412dafbbfd860e78983d45cf71db603a82f67< cc0aed22d33ced9e266c50bdf1cbe668c5acfdf8 affected
791412dafbbfd860e78983d45cf71db603a82f67< c667b3872a4c435a3f29d4e15971cd8c378b0043 affected
791412dafbbfd860e78983d45cf71db603a82f67< 1699ec1bfb59304a788901474f6bb003f7831b61 affected
791412dafbbfd860e78983d45cf71db603a82f67< 8f843cdfc202caaa5d67db3395d893e56362e43a affected
791412dafbbfd860e78983d45cf71db603a82f67< aae6b4bb63c694bc91714412718f15468407fe51 affected
791412dafbbfd860e78983d45cf71db603a82f67< 4107fa700f314592850e2c64608f6ede4c077476 affected
… +13 more rows
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I. Basic Information for CVE-2022-49324

Vulnerability Information
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Vulnerability Title
mips: cpc: Fix refcount leak in mips_cpc_default_phys_base
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mips: cpc: Fix refcount leak in mips_cpc_default_phys_base Add the missing of_node_put() to release the refcount incremented by of_find_compatible_node().
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mips_cpc_default_phys_base未释放of_find_compatible_node的引用计数。
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 dc2f0da8350e413923ad67e2e26d8d9f1fb97aff ~ bed702566dcdb6ebe300bc0c62bf3600cf4d5874 -
Linux Linux 4.16 -

II. Public POCs for CVE-2022-49324

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III. Intelligence Information for CVE-2022-49324

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Patches & Fixes for CVE-2022-49324 (8)

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

CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
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-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
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-2022-49093 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-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49159 8.8 HIGH scsi: qla2xxx: Implement ref count for SRB
CVE-2022-49138 8.8 HIGH Bluetooth: hci_event: Ignore multiple conn complete events
CVE-2022-49479 8.8 HIGH mt76: fix tx status related use-after-free race on station removal
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-2022-49114 8.8 HIGH scsi: libfc: Fix use after free in fc_exch_abts_resp()

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-2022-49324

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