What’s Vulnerable › Vulnerabilities

CVE-2022-50395: integrity: Fix memory leakage in keyring allocation error path

• 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: 2025-09-18 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: integrity: Fix memory leakage in keyring allocation error path Key restriction is allocated in integrity_init_keyring(). However, if keyring allocation failed, it is not freed, causing memory leaks.

Affected products

• Linux kernel: from 4.12 before 5.4.229; from 5.5 before 5.10.163; from 5.11 before 5.15.86; from 5.16 before 6.0.16; from 6.1 before 6.1.2 — fixed in 5.10.163, 5.15.86, 5.4.229, 6.0.16, 6.1.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.163, 5.15.86, 5.4.229, 6.0.16. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/29d6c69ba4b96a1de0376e44e5f8b38b13ec8803
• https://git.kernel.org/stable/c/39419ef7af0916cc3620ecf1ed42d29659109bf3
• https://git.kernel.org/stable/c/3bd737289c26be3cee4b9afaf61ef784a2af9d6e
• https://git.kernel.org/stable/c/57e49ad12f8f5df0c48e1710c54b147a05a10c32
• https://git.kernel.org/stable/c/9b7c44885a07c5ee7f9bf3aa3c9c72fb110c8d22
• https://git.kernel.org/stable/c/c591c48842f08d30ec6b8416757831985ed9a315

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