CVE-2023-53610

irqchip: Fix refcount leak in platform_irqchip_probe

MEDIUM

5.5

CVSS Score

Published: October 4, 2025 at 03:44 PM UTC

Updated: June 17, 2026 at 06:45 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip: Fix refcount leak in platform_irqchip_probe of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed 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.

Linux Kernel · Linux

95%

5.11 ≤ v < 5.15.995.16 ≤ v < 6.1.165.9 ≤ v < 5.10.1735.9 ≤ v < 5.15.995.9 ≤ v < 6.1.165.9 ≤ v < 6.2.35.9 ≤ v < 6.36.2 ≤ v < 6.2.35.9f8410e626569324cfe831aaecc0504cafc12b471

Vendor states this is fixed in 4401b485855700f296cae4d0db36a52948bff4fa (fixed)

Vendor states this is fixed in 6caa5a2b78f5f53c433d3a3781e53325da22f0ac (fixed)

Vendor states this is fixed in b00baffcc2561374f8fe8af873d00531f19864eb (fixed)

Vendor states this is fixed in c32fb16331f612e66a7fa8930164e0dc15725b72 (fixed)

Vendor states this is fixed in ea54b608d85b7536f92238f3259730fa06cb5d21 (fixed)

Vendor states this is fixed in 5.10.173 (unaffected)

Vendor states this is fixed in 5.15.99 (unaffected)

Vendor states this is fixed in 5.9 (unaffected)

Vendor states this is fixed in 6.1.16 (unaffected)

Vendor states this is fixed in 6.2.3 (unaffected)

Vendor states this is fixed in 6.3 (unaffected)