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CVE-2022-49591

net: dsa: microchip: ksz_common: Fix refcount leak bug

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:23 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: net: dsa: microchip: ksz_common: Fix refcount leak bug In ksz_switch_register(), we should call of_node_put() for the reference returned by of_get_child_by_name() which has increased the refcount.

Affected

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

Linux Kernel· Linux
95%
5.16 ≤ v < 5.18.155.9 ≤ v < 5.15.585.9 ≤ v < 5.18.155.9 ≤ v < 5.195.19 rc15.19 rc25.19 rc35.19 rc45.19 rc55.19 rc65.19 rc7912aae27c6af6605eae967ab540c5e26bd76d421
Vendor states this is fixed in 4165e02716518bbbe9c9104b39530d40928bc7ce (fixed)
Vendor states this is fixed in 88ec2ff42da3ac93b2437dc52fe25cd4372148e6 (fixed)
Vendor states this is fixed in a14bd7475452c51835dd5a0cee4c8fa48dd0b539 (fixed)
Vendor states this is fixed in 5.15.58 (unaffected)
Vendor states this is fixed in 5.18.15 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.9 (unaffected)

References (3)

Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4165e02716518bbbe9c9104b39530d40928bc7ce
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/88ec2ff42da3ac93b2437dc52fe25cd4372148e6
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a14bd7475452c51835dd5a0cee4c8fa48dd0b539

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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