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CVE-2024-55639

net: renesas: rswitch: avoid use-after-put for a device tree node

MEDIUM
5.5
CVSS Score
Published: January 11, 2025 at 12:29 PM UTC
Updated: August 5, 2026 at 12:05 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: net: renesas: rswitch: avoid use-after-put for a device tree node The device tree node saved in the rswitch_device structure is used at several driver locations. So passing this node to of_node_put() after the first use is wrong. Move of_node_put() for this node to exit paths.

Affected

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

Linux Kernel· Linux
95%
6.3 ≤ v < 6.12.66.3 ≤ v < 6.136.3 ≤ v < 6.6.676.7 ≤ v < 6.12.66.13 rc16.13 rc2b46f1e5793298c67efc2f1b917350a2cefacf9d6
Vendor states this is fixed in 66b7e9f85b8459c823b11e9af69dbf4be5eb6be8 (fixed)
Vendor states this is fixed in 92007a28f95413058a7268dc84e5f44b700165d1 (fixed)
Vendor states this is fixed in bf8c6755f02029d1eddc3ff19b870240f054afc7 (fixed)
Vendor states this is fixed in 6.12.6 (unaffected)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.6.67 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/66b7e9f85b8459c823b11e9af69dbf4be5eb6be8
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/92007a28f95413058a7268dc84e5f44b700165d1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bf8c6755f02029d1eddc3ff19b870240f054afc7

CVSS

5.5MEDIUM[email protected]
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-noinfo

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