CVE-2022-49718

irqchip/apple-aic: Fix refcount leak in aic_of_ic_init

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:24 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/apple-aic: Fix refcount leak in aic_of_ic_init of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.18 ≤ v < 5.18.65.18 ≤ v < 5.195.19 rc15.19 rc2a5e8801202b318622ea526aa5625e5f7eceb4d26
Vendor states this is fixed in 3d45670fab3c25a7452721e4588cc95c51cda134 (fixed)
Vendor states this is fixed in 6c0010d1dc67c89bcc857c46f542efe318f84ddc (fixed)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 5.18.6 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3d45670fab3c25a7452721e4588cc95c51cda134
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6c0010d1dc67c89bcc857c46f542efe318f84ddc

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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