What’s Vulnerable › Vulnerabilities

CVE-2022-50349: misc: tifm: fix possible memory leak in tifm_7xx1_switch_media()

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2025-09-16 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: misc: tifm: fix possible memory leak in tifm_7xx1_switch_media() If device_register() returns error in tifm_7xx1_switch_media(), name of kobject which is allocated in dev_set_name() called in device_add() is leaked. Never directly free @dev after calling device_register(), even if it returned an error! Always use put_device() to give up the reference initialized.

Affected products

• Linux kernel: from 2.6.22 before 4.9.337; from 4.10 before 4.14.303; from 4.15 before 4.19.270; from 4.20 before 5.4.229; from 5.5 before 5.10.163; from 5.11 before 5.15.86 — fixed in 4.14.303, 4.19.270, 4.9.337, 5.10.163, 5.15.86, 5.4.229

How to fix

Upgrade to a fixed version: Linux kernel 4.14.303, 4.19.270, 4.9.337, 5.10.163. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1695b1adcc3a7d985cd22fa3b55761edf3fab50d
• https://git.kernel.org/stable/c/2bbb222a54ff501f77ce593d21b76b79c905045e
• https://git.kernel.org/stable/c/35abbc8406cc39e72d3ce85f6e869555afe50d54
• https://git.kernel.org/stable/c/57c857353d5020bdec8284d9c0fee447484fe5e0
• https://git.kernel.org/stable/c/848c45964ded537107e010aaf353aa30a0855387
• https://git.kernel.org/stable/c/d861b7d41b17942b337d4b87a70de7cd1dc44d4e
• https://git.kernel.org/stable/c/ee2715faf7e7153f5142ed09aacfa89a64d45dcb
• https://git.kernel.org/stable/c/ef843ee20576039126d34d6eb5f45d14c3e6ce18
• https://git.kernel.org/stable/c/fd2c930cf6a5b9176382c15f9acb1996e76e25ad

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