CVE-2022-49752

device property: fix of node refcount leak in fwnode_graph_get_next_endpoint()

MEDIUM
5.5
CVSS Score
Published: March 27, 2025 at 04:43 PM UTC
Updated: June 17, 2026 at 05:19 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: device property: fix of node refcount leak in fwnode_graph_get_next_endpoint() The 'parent' returned by fwnode_graph_get_port_parent() with refcount incremented when 'prev' is not NULL, it needs be put when finish using it. Because the parent is const, introduce a new variable to store the returned fwnode, then put it before returning from fwnode_graph_get_next_endpoint().

Affected

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

5.15 ≤ v < 5.15.915.15 ≤ v < 6.1.95.15 ≤ v < 6.25.16 ≤ v < 6.1.96.2 rc16.2 rc26.2 rc36.2 rc491b31ca76300fd36d5049c5879e68dfb3edc7a5cb5b41ab6b0c1bb70fe37a0d193006c969e3b5909
Vendor states this is fixed in 39af728649b05e88a2b40e714feeee6451c3f18e (fixed)
Vendor states this is fixed in 7701a4bd45c11f9a289d8f262fad05705a012339 (fixed)
Vendor states this is fixed in e0472947bead3af94cc968ce35fc0414803a2f65 (fixed)
Vendor states this is fixed in e75485fc589ec729cc182aa9b41dfb6c15ae6f6e (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.91 (unaffected)
Vendor states this is fixed in 6.1.9 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

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

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card