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CVE-2022-49716— irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions

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gic-v3在填充PPI分区时未正确处理节点引用计数，可能导致内存泄漏。

AI Predicted 3.3 Difficulty: Hard EPSS 0.28% · P20 Updated May 13, 2026

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 12

Vendor	Product	Version Range	Status
Linux	Linux	`52085d3f2028d853f8d6ce7ead2f8a504f6077fa< 58e67c81e229351027d28c610638378606e33a08`	affected
		`52085d3f2028d853f8d6ce7ead2f8a504f6077fa< 7c9dd9d23f26dabcfb14148b9acdfba540418b19`	affected
		`52085d3f2028d853f8d6ce7ead2f8a504f6077fa< 0b325d993995a321f6ab4e6c51f0504ec092bf5b`	affected
		`52085d3f2028d853f8d6ce7ead2f8a504f6077fa< c83c34c57798fc41faefcf078be78683db2f4beb`	affected
		`52085d3f2028d853f8d6ce7ead2f8a504f6077fa< ec8401a429ffee34ccf38cebf3443f8d5ae6cb0d`	affected
		`5.4`	affected
		`< 5.4`	unaffected
		`5.4.200≤ 5.4.*`	unaffected
… +4 more rows

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I. Basic Information for CVE-2022-49716

Vulnerability Information

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Vulnerability Title

irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions

Source: CVE Program / CVE List V5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. When kcalloc fails, it missing of_node_put() and results in refcount leak. Fix this by goto out_put_node label.

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

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	52085d3f2028d853f8d6ce7ead2f8a504f6077fa ~ 58e67c81e229351027d28c610638378606e33a08	-
Linux	Linux	5.4	-

II. Public POCs for CVE-2022-49716

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2022-49716

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Patches & Fixes for CVE-2022-49716 (5)

https://www.cve.org/CVERecord?id=CVE-2022-49716

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-2022-49362	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-2022-49094	9.8 CRITICAL	net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49407	9.8 CRITICAL	dlm: fix plock invalid read
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-2022-49535	8.8 HIGH	scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49114	8.8 HIGH	scsi: libfc: Fix use after free in fc_exch_abts_resp()
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-2022-49238	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

Showing top 20 of 706 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux

Same vendor: Linux