CVE-2026-64184
In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: call missing mem_cgroup_iter_break() damon_sysfs_memcg_path_to_id() breaks mem_cgroup_iter() loop without calling mem_cgroup_iter_break(). This leaks the cgroup reference. Fix the issue by calling mem_cgroup_iter_break() before the break. The issue was discovered [1] by Sashiko.
Affected versions
Linux kernel versions
6.3
and later are affected. Fixed in
6.6.142,
6.12.92,
6.18.34,
7.0.11,
7.1
and their respective stable series.
References
5 totalFrequently asked questions
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What is CVE-2026-64184?
CVE-2026-64184 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.3 onward and has been patched in 6.6.142, 6.12.92, 6.18.34 and others. CVE-2026-64184 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-64184?
Yes — CVE-2026-64184 has been patched. Fixed versions include 6.6.142, 6.12.92, 6.18.34 and others. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-64184 actively exploited?
No — CVE-2026-64184 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.