What’s Vulnerable › Vulnerabilities

CVE-2022-49392: serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_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
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_probe platform_get_resource() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer dereference.

Affected products

• Linux kernel: from 5.14 before 5.15.47; from 5.16 before 5.17.15; from 5.18 before 5.18.4 — fixed in 5.15.47, 5.17.15, 5.18.4

How to fix

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

References

• https://git.kernel.org/stable/c/0e0fd55719fa081de6f9e5d9e6cef48efb04d34a
• https://git.kernel.org/stable/c/90a6b6fc52bfdcfe9698454bf5bea26112abbcd1
• https://git.kernel.org/stable/c/923d34ce069e8e51a4d003caa6b66a8cd6ecd0ed
• https://git.kernel.org/stable/c/d5f1275f101e0e8a172d300d897f5a12e87e3485

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