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CVE-2023-53191— irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains

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，该漏洞源于未正确释放of_irq_find_parent返回的节点指针，可能导致引用计数泄漏。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1569.002 · Service Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< eef04516f0c317ce80502c1d6b0d06235a87cd8f affected
e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< eef09f786df4b34b97557929287c4e5a83bbf09b affected
e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< 9e79ac4f70fd51243e1c6108d4b0baf16cfde99c affected
e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710 affected
e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< d6c66c46889752fa4962c6388516f7ab66a8d6a1 affected
e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< 65e30bd1310d90b794c377bf405394157854aa30 affected
e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< 5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926 affected
e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd< 071d068b89e95d1b078aa6bbcb9d0961b77d6aa1 affected
… +10 more rows
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I. Basic Information for CVE-2023-53191

Vulnerability Information
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Vulnerability Title
irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. 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，该漏洞源于未正确释放of_irq_find_parent返回的节点指针，可能导致引用计数泄漏。
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 e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd ~ eef04516f0c317ce80502c1d6b0d06235a87cd8f -
Linux Linux 4.6 -

II. Public POCs for CVE-2023-53191

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III. Intelligence Information for CVE-2023-53191

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Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total

CVE-2022-50235 9.8 CRITICAL NFSD: Protect against send buffer overflow in NFSv2 READDIR
CVE-2022-50335 9.8 CRITICAL 9p: set req refcount to zero to avoid uninitialized usage
CVE-2023-53192 9.8 CRITICAL vxlan: Fix nexthop hash size
CVE-2023-53253 8.8 HIGH HID: nvidia-shield: Reference hid_device devm allocation of input_dev name
CVE-2023-53226 8.8 HIGH wifi: mwifiex: Fix OOB and integer underflow when rx packets
CVE-2022-50241 8.8 HIGH NFSD: fix use-after-free on source server when doing inter-server copy
CVE-2023-53194 8.4 HIGH fs/ntfs3: Add length check in indx_get_root
CVE-2023-53213 8.1 HIGH wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()
CVE-2023-53186 8.1 HIGH skbuff: Fix a race between coalescing and releasing SKBs
CVE-2022-50310 7.8 HIGH ip6mr: fix UAF issue in ip6mr_sk_done() when addrconf_init_net() failed
CVE-2023-53254 7.8 HIGH cacheinfo: Fix shared_cpu_map to handle shared caches at different levels
CVE-2023-53252 7.8 HIGH Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync
CVE-2023-53170 7.8 HIGH net: dsa: Removed unneeded of_node_put in felix_parse_ports_node
CVE-2023-53176 7.8 HIGH serial: 8250: Reinit port->pm on port specific driver unbind
CVE-2023-53178 7.8 HIGH mm: fix zswap writeback race condition
CVE-2023-53179 7.8 HIGH netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c
CVE-2023-53184 7.8 HIGH arm64/sme: Set new vector length before reallocating
CVE-2022-50315 7.8 HIGH ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS
CVE-2023-53187 7.8 HIGH btrfs: fix use-after-free of new block group that became unused
CVE-2025-39800 7.8 HIGH btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()

Showing top 20 of 210 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53191

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