What’s Vulnerable › Vulnerabilities

CVE-2022-49373: watchdog: ts4800_wdt: Fix refcount leak in ts4800_wdt_probe

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: watchdog: ts4800_wdt: Fix refcount leak in ts4800_wdt_probe of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() in some error paths.

Affected products

• Linux kernel: from 4.5 before 5.4.198; from 5.5 before 5.10.122; from 5.11 before 5.15.47; from 5.16 before 5.17.15; from 5.18 before 5.18.4 — fixed in 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.4.198

How to fix

Upgrade to a fixed version: Linux kernel 5.10.122, 5.15.47, 5.17.15, 5.18.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5b110d940417942bc87d9e4bea6d4f24e05ed483
• https://git.kernel.org/stable/c/5d24df3d690809952528e7a19a43d84bc5b99d44
• https://git.kernel.org/stable/c/7a4afd8a003d6abf1f5d159c2bb67e6b7cbde253
• https://git.kernel.org/stable/c/910b1cdf6c50ae8fb222e46657d04fb181577017
• https://git.kernel.org/stable/c/91fa5aa53f68b85e779164b3127c7e23cad5c457
• https://git.kernel.org/stable/c/f067b5286edfd83d2d3903e8578b561599d62539

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