CVE-2022-49677

ARM: cns3xxx: Fix refcount leak in cns3xxx_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 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: ARM: cns3xxx: Fix refcount leak in cns3xxx_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. 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.

3.10 ≤ v < 4.14.2863.10 ≤ v < 4.19.2503.10 ≤ v < 4.9.3213.10 ≤ v < 5.10.1273.10 ≤ v < 5.15.513.10 ≤ v < 5.18.83.10 ≤ v < 5.193.10 ≤ v < 5.4.2024.10 ≤ v < 4.14.2864.15 ≤ v < 4.19.2504.20 ≤ v < 5.4.2025.11 ≤ v < 5.15.515.16 ≤ v < 5.18.85.5 ≤ v < 5.10.127415f59142d9d9dd023deaeb3b4dfc1aecdd3983c5.19 rc15.19 rc25.19 rc3
Vendor states this is fixed in 1ba904b6b16e08de5aed7c1349838d9cd0d178c5 (fixed)
Vendor states this is fixed in 45bebbc8cea7d586a6216dc62814bdb380b9b29b (fixed)
Vendor states this is fixed in 68d4303bf59662b64bd555e2aa0518282d20aa4f (fixed)
Vendor states this is fixed in b8b84e01ca94e2e1f5492353e9c24dab520b2e5b (fixed)
Vendor states this is fixed in c980392af1473d6d5662f70d8089c8e6d85144a4 (fixed)
Vendor states this is fixed in d1359e4129ad43e43972a28838b87291c51de23d (fixed)
Vendor states this is fixed in da3ee7cd2f15922ad88a7ca6deee2eafdc7cd214 (fixed)
Vendor states this is fixed in dc5170aae24e04068fd5ea125d06c0ab51f48a27 (fixed)
Vendor states this is fixed in 3.10 (unaffected)
Vendor states this is fixed in 4.14.286 (unaffected)
Vendor states this is fixed in 4.19.250 (unaffected)
Vendor states this is fixed in 4.9.321 (unaffected)
Vendor states this is fixed in 5.10.127 (unaffected)
Vendor states this is fixed in 5.15.51 (unaffected)
Vendor states this is fixed in 5.18.8 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.4.202 (unaffected)

References (8)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1ba904b6b16e08de5aed7c1349838d9cd0d178c5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/45bebbc8cea7d586a6216dc62814bdb380b9b29b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/68d4303bf59662b64bd555e2aa0518282d20aa4f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b8b84e01ca94e2e1f5492353e9c24dab520b2e5b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c980392af1473d6d5662f70d8089c8e6d85144a4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d1359e4129ad43e43972a28838b87291c51de23d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/da3ee7cd2f15922ad88a7ca6deee2eafdc7cd214
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/dc5170aae24e04068fd5ea125d06c0ab51f48a27

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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