What’s Vulnerable › Vulnerabilities

CVE-2022-49399: tty: goldfish: Use tty_port_destroy() to destroy port

• 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: tty: goldfish: Use tty_port_destroy() to destroy port In goldfish_tty_probe(), the port initialized through tty_port_init() should be destroyed in error paths.In goldfish_tty_remove(), qtty->port also should be destroyed or else might leak resources. Fix the above by calling tty_port_destroy().

Affected products

• Linux kernel: from 3.9 before 4.14.283; from 4.15 before 4.19.247; from 4.20 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 — fixed in 4.14.283, 4.19.247, 5.10.122, 5.15.47, 5.17.15, 5.18.4

How to fix

Upgrade to a fixed version: Linux kernel 4.14.283, 4.19.247, 5.10.122, 5.15.47. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/241fcb79dd1df276d80b19f5f6acc9eaaaa63309
• https://git.kernel.org/stable/c/326192b99c903a2193d820c30ed936cc2402382c
• https://git.kernel.org/stable/c/45f6ce70abfb7ccf9d787781cbc4c03294a775a1
• https://git.kernel.org/stable/c/4639d1b992de8f37d66f698056875c274efcd45f
• https://git.kernel.org/stable/c/507b05063d1b7a1fcb9f7d7c47586fc4f3508f98
• https://git.kernel.org/stable/c/9ae3d073f7db5578ae1907544f0c15947e9678e6
• https://git.kernel.org/stable/c/da64f419d7f78272bfe40dde1262602d4ff6b32c
• https://git.kernel.org/stable/c/ee6c33b29e624f515202a31bf6ef0437f26a1867

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