What’s Vulnerable › Vulnerabilities

CVE-2022-49618: pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux()

• 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 2026-08-15
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux() pdesc could be null but still dereference pdesc->name and it will lead to a null pointer access. So we move a null check before dereference.

Affected products

• Linux kernel: before 5.10.132; from 5.11 before 5.15.56; from 5.16 before 5.18.13; 5.19-rc1, 5.19-rc2, 5.19-rc3, 5.19-rc4, 5.19-rc5 — fixed in 5.10.132, 5.15.56, 5.18.13

How to fix

Upgrade to a fixed version: Linux kernel 5.10.132, 5.15.56, 5.18.13. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3cb392b64304a05bf647e2e44efacd9a1f3c3c6a
• https://git.kernel.org/stable/c/84a85d3fef2e75b1fe9fc2af6f5267122555a1ed
• https://git.kernel.org/stable/c/e162a24f1dd06c0dcae71f2565c9f3da2827b98e
• https://git.kernel.org/stable/c/ef1e38532f4b2f0f3b460e938a2e7076c3bed5ee

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