What’s Vulnerable › Vulnerabilities

CVE-2022-50105: powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader of_find_node_by_path() returns remote device nodepointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Affected products

• Linux kernel: from 2.6.20 before 4.14.291; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18 — fixed in 4.14.291, 4.19.256, 5.10.137, 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 4.14.291, 4.19.256, 5.10.137, 5.15.61. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0aa5de2547b7ccf0a31bc740d12f829fae243112
• https://git.kernel.org/stable/c/14329d29a048dc35aac2374fb3d588d8190095a2
• https://git.kernel.org/stable/c/4288eb035ba4ddb53245e9365c919bb51ac00c2c
• https://git.kernel.org/stable/c/43584490ee6c8a104797444af6bf89d0dafe95c0
• https://git.kernel.org/stable/c/69e9fa07b229badab808980e984a9fe824116f00
• https://git.kernel.org/stable/c/6ac059dacffa8ab2f7798f20e4bd3333890c541c
• https://git.kernel.org/stable/c/85aff6a9b7b7ec4e5c319f7946c9864c8d5e3d4a
• https://git.kernel.org/stable/c/d0cb99948c5f6d8fe56f6e69b8dd0a05ee5f9cec

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