CVE-2026-64036: cgroup/rstat: validate cpu before css_rstat_cpu() access

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-21

Last Updated

2026-08-12

EPSS Score

0.13% (percentile: 2.7%)

Affected Products (2)

Other

• 21580-17084
• 21684-17084

Revision History

• 2026-07-21: Information published.
• 2026-08-12: Information published.