CVE-2023-53592

gpio: sifive: Fix refcount leak in sifive_gpio_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: gpio: sifive: Fix refcount leak in sifive_gpio_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 < 5.15.875.16 ≤ v < 6.0.195.6 ≤ v < 5.10.1635.6 ≤ v < 5.15.875.6 ≤ v < 6.0.195.6 ≤ v < 6.1.55.6 ≤ v < 6.26.1 ≤ v < 6.1.55.6 6.2 rc1 6.2 rc296868dce644d002383f6d5eb575a6ce3c8779f39

Vendor states this is fixed in 694175cd8a1643cde3acb45c9294bca44a8e08e9 (fixed)

Vendor states this is fixed in 95da1882ce9372ba20278f87cdb7a34f9812c4b5 (fixed)

Vendor states this is fixed in 9a402a210798662b04cbe6ca466e916a15efa03a (fixed)

Vendor states this is fixed in f4a2ad1002006548e235255c65a4f1d07312be9d (fixed)

Vendor states this is fixed in f9fb4776ebbc16dfc512adbdc0fe218acb47c7cc (fixed)

Vendor states this is fixed in 5.10.163 (unaffected)

Vendor states this is fixed in 5.15.87 (unaffected)

Vendor states this is fixed in 5.6 (unaffected)

Vendor states this is fixed in 6.0.19 (unaffected)

Vendor states this is fixed in 6.1.5 (unaffected)

Vendor states this is fixed in 6.2 (unaffected)