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CVE-2022-49432— powerpc/xics: fix refcount leak in icp_opal_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powerpc xics模块中icp_opal_init的引用计数泄漏。

AI Predicted 3.3 Difficulty: Hard EPSS 0.27% · P19

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux d74361881f0dfe5f9dcac37d1b753a15a2345d8c< 977dbc81d0f866ef63b93c127b7404f07734b3cc affected
d74361881f0dfe5f9dcac37d1b753a15a2345d8c< 53f3f7f73e609b934083f896cb7ca2c2cb009b9f affected
d74361881f0dfe5f9dcac37d1b753a15a2345d8c< 1d5c8cea85fb1680eae8d645b96b92146cb4633c affected
d74361881f0dfe5f9dcac37d1b753a15a2345d8c< 537a317e5ff45d1f5a0ecaf6a0d7c8043c878cb1 affected
d74361881f0dfe5f9dcac37d1b753a15a2345d8c< 6a61a97106279c2aa16fbbb2a171fd5dde127d23 affected
d74361881f0dfe5f9dcac37d1b753a15a2345d8c< df802880a7f9cd96b921b00639b00871f18a9a57 affected
d74361881f0dfe5f9dcac37d1b753a15a2345d8c< 2357bd7499a81c70b460e2191852bbfc7b63c354 affected
d74361881f0dfe5f9dcac37d1b753a15a2345d8c< 9a42bc2494fadb453de00ce61042e588563ddc6d affected
… +12 more rows
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I. Basic Information for CVE-2022-49432

Vulnerability Information
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Vulnerability Title
powerpc/xics: fix refcount leak in icp_opal_init()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/xics: fix refcount leak in icp_opal_init() The of_find_compatible_node() function returns a node pointer with refcount incremented, use of_node_put() on it when done.
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powerpc xics模块中icp_opal_init的引用计数泄漏。
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 d74361881f0dfe5f9dcac37d1b753a15a2345d8c ~ 977dbc81d0f866ef63b93c127b7404f07734b3cc -
Linux Linux 4.8 -

II. Public POCs for CVE-2022-49432

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III. Intelligence Information for CVE-2022-49432

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Patches & Fixes for CVE-2022-49432 (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

V. Comments for CVE-2022-49432

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