# CVE-2026-64184 — Linux

> As of 2026-07-19, CVE-2026-64184 is a vulnerability in Linux, EPSS 0.1% (5.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-64184 as of 2026-07-19; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-19

## What is 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.

1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 78 days ago.

## Severity and exploitation probability

- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 5.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 0.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-19

## Is CVE-2026-64184 being exploited?

It currently carries a trending score of 31 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Linux](https://intel.threadlinqs.com/vendors/linux): Linux

## How to fix CVE-2026-64184

No vendor patch reference has been recorded for CVE-2026-64184 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-64184

No threat campaign in the Threadlinqs corpus currently references CVE-2026-64184, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-21. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [git.kernel.org](https://git.kernel.org/stable/c/082351f9d40007414ad6af062b3a26fa02fd4b5f)
- [git.kernel.org (30a361be33f3793b9ecbd10ab7be6d0564819b79)](https://git.kernel.org/stable/c/30a361be33f3793b9ecbd10ab7be6d0564819b79)
- [git.kernel.org (302e02f9ba49f81418ec2a749ae6f5cac1d424e9)](https://git.kernel.org/stable/c/302e02f9ba49f81418ec2a749ae6f5cac1d424e9)
- [git.kernel.org (1bd31386ec3b9ccec10c04429948a306ec5897c0)](https://git.kernel.org/stable/c/1bd31386ec3b9ccec10c04429948a306ec5897c0)
- [git.kernel.org (d4e7b5c4cc353f154d5ab8bb2e1ce7714d77a6e9)](https://git.kernel.org/stable/c/d4e7b5c4cc353f154d5ab8bb2e1ce7714d77a6e9)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-64184
Full detection coverage and IOCs for threats exploiting CVE-2026-64184 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp