What’s Vulnerable › Vulnerabilities

CVE-2022-50088: mm/damon/reclaim: fix potential memory leak in damon_reclaim_init()

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

Description

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: fix potential memory leak in damon_reclaim_init() damon_reclaim_init() allocates a memory chunk for ctx with damon_new_ctx(). When damon_select_ops() fails, ctx is not released, which will lead to a memory leak. We should release the ctx with damon_destroy_ctx() when damon_select_ops() fails to fix the memory leak.

Affected products

• Linux kernel: from 5.18 before 5.18.18; from 5.19 before 5.19.2 — fixed in 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 5.18.18, 5.19.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/188043c7f4f2bd662f2a55957d684fffa543e600
• https://git.kernel.org/stable/c/700aa4e11a3c4d2a44d06758db431a013d9e1b61
• https://git.kernel.org/stable/c/9d3e9e1e0856f4c905bbb870f16f42ae72477071

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