What’s Vulnerable › Vulnerabilities

CVE-2022-50278: PNP: fix name memory leak in pnp_alloc_dev()

• 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: 2025-09-15 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: PNP: fix name memory leak in pnp_alloc_dev() After commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, move dev_set_name() after pnp_add_id() to avoid memory leak.

Affected products

• Linux kernel: from 2.6.30 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/110d7b0325c55ff3620073ba4201845f59e22ebf
• https://git.kernel.org/stable/c/1f50c7497a5f89de0c31f2edf086af41ff834320
• https://git.kernel.org/stable/c/290dd73b943c95c006df973257076ff163adf4d0
• https://git.kernel.org/stable/c/693a0c13c1f0c0fcaa1e38cb806cc0789bd415aa
• https://git.kernel.org/stable/c/81b024df4755e6bb6993b786584eca6eabbb9791
• https://git.kernel.org/stable/c/bbcf772216aa237036cc3ae3158288d0a95aaf4d
• https://git.kernel.org/stable/c/c12b314bb23dc0c83e03402cc84574700947e3b2
• https://git.kernel.org/stable/c/dac87e295cddc8ab316cff14ab2071b5221d84fa
• https://git.kernel.org/stable/c/ea77b4b761cd75e5456f677311babfa0418f289a

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