Medium 5.5Published Jul 19, 2026

CVE-2026-64184mm/damon/sysfs-schemes: call missing mem_cgroup_iter_break()

Updated under an hour ago (Oct 27, 2026, 9:23 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jul 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 29cbb9a13f05b20f0777c60db9603730b487a4e0 before 082351f9d40007414ad6af062b3a26fa02fd4b5f; from 29cbb9a13f05b20f0777c60db9603730b487a4e0 before 30a361be33f3793b9ecbd10ab7be6d0564819b79; from 29cbb9a13f05b20f0777c60db9603730b487a4e0 before 302e02f9ba49f81418ec2a749ae6f5cac1d424e9; 29cbb9a13f05b20f0777c60db9603730b487a4e0 builds before 1bd31386ec3b9ccec10c04429948a306ec5897c0; from 29cbb9a13f05b20f0777c60db9603730b487a4e0 before d4e7b5c4cc353f154d5ab8bb2e1ce7714d77a6e9	CNA record
linux linux_kernel linux:linux_kernel	from 6.3 before 6.6.142; from 6.7 before 6.12.92; from 6.13 before 6.18.34; from 6.19 before 7.0.11; 7.1; 7.1; 7.1; 7.1	NVD

References

References

https://git.kernel.org/stable/c/082351f9d40007414ad6af062b3a26fa02fd4b5f	patch
https://git.kernel.org/stable/c/30a361be33f3793b9ecbd10ab7be6d0564819b79	patch
https://git.kernel.org/stable/c/302e02f9ba49f81418ec2a749ae6f5cac1d424e9	patch
https://git.kernel.org/stable/c/1bd31386ec3b9ccec10c04429948a306ec5897c0	patch
https://git.kernel.org/stable/c/d4e7b5c4cc353f154d5ab8bb2e1ce7714d77a6e9	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.