What’s Vulnerable › Vulnerabilities

CVE-2025-68311: tty: serial: ip22zilog: Use platform device for probing

• Severity: unknown
• 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: 2025-12-16 · updated 2026-10-21

Description

In the Linux kernel, the following vulnerability has been resolved: tty: serial: ip22zilog: Use platform device for probing After commit 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM") serial drivers need to provide a device in struct uart_port.dev otherwise an oops happens. To fix this issue for ip22zilog driver switch driver to a platform driver and setup the serial device in sgi-ip22 code.

Affected products

• Linux kernel: 6.5 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2eb6a5f6adb7d494962a1d1995c47dbbc13a8460
• https://git.kernel.org/stable/c/3fc36ae6abd263a5cbf93b2f5539eccc1fc753f7
• https://git.kernel.org/stable/c/460e0dc9af2d7790d5194c6743d79f9b77b58836
• https://git.kernel.org/stable/c/77a196ca904d66c8372aa8fbfc1c4ae3a66dee2e

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