What is CVE-2026-64184?

CVE-2026-64184 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-07-19.

How severe is CVE-2026-64184?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

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.

EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 29cbb9a13f05b20f0777c60db9603730b487a4e0, 6.3, 0
Linux Linux_kernel — versions 7.1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-64184?: CVE-2026-64184 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-07-19.
How severe is CVE-2026-64184?: Medium severity. CVSS v3 base score is 5.5 out of 10.